647672508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:824

約数の個数: 144

約数和(自身を含む): 1936037376

約数和(自身を除く): 1288364868

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 71, 84, 106, 126, 142, 159, 212, 213, 252, 284, 318, 371, 426, 477, 497, 636, 639, 683, 742, 852, 954, 994, 1113, 1278, 1366, 1484, 1491, 1908, 1988, 2049, 2226, 2556, 2732, 2982, 3339, 3763, 4098, 4452, 4473, 4781, 5964, 6147, 6678, 7526, 8196, 8946, 9562, 11289, 12294, 13356, 14343, 15052, 17892, 19124, 22578, 24588, 26341, 28686, 33867, 36199, 43029, 45156, 48493, 52682, 57372, 67734, 72398, 79023, 86058, 96986, 105364, 108597, 135468, 144796, 145479, 158046, 172116, 193972, 217194, 237069, 253393, 290958, 316092, 325791, 339451, 434388, 436437, 474138, 506786, 581916, 651582, 678902, 760179, 872874, 948276, 1013572, 1018353, 1303164, 1357804, 1520358, 1745748, 2036706, 2280537, 2570129, 3040716, 3055059, 4073412, 4561074, 5140258, 6110118, 7710387, 9122148, 10280516, 12220236, 15420774, 17990903, 23131161, 30841548, 35981806, 46262322, 53972709, 71963612, 92524644, 107945418, 161918127, 215890836, 323836254, 647672508]

約数ペア:

[(1, 647672508), (2, 323836254), (3, 215890836), (4, 161918127), (6, 107945418), (7, 92524644), (9, 71963612), (12, 53972709), (14, 46262322), (18, 35981806), (21, 30841548), (28, 23131161), (36, 17990903), (42, 15420774), (53, 12220236), (63, 10280516), (71, 9122148), (84, 7710387), (106, 6110118), (126, 5140258), (142, 4561074), (159, 4073412), (212, 3055059), (213, 3040716), (252, 2570129), (284, 2280537), (318, 2036706), (371, 1745748), (426, 1520358), (477, 1357804), (497, 1303164), (636, 1018353), (639, 1013572), (683, 948276), (742, 872874), (852, 760179), (954, 678902), (994, 651582), (1113, 581916), (1278, 506786), (1366, 474138), (1484, 436437), (1491, 434388), (1908, 339451), (1988, 325791), (2049, 316092), (2226, 290958), (2556, 253393), (2732, 237069), (2982, 217194), (3339, 193972), (3763, 172116), (4098, 158046), (4452, 145479), (4473, 144796), (4781, 135468), (5964, 108597), (6147, 105364), (6678, 96986), (7526, 86058), (8196, 79023), (8946, 72398), (9562, 67734), (11289, 57372), (12294, 52682), (13356, 48493), (14343, 45156), (15052, 43029), (17892, 36199), (19124, 33867), (22578, 28686), (24588, 26341)]