251018532

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 705729024

約数和(自身を除く): 454710492

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 31, 34, 36, 51, 62, 68, 93, 101, 102, 124, 131, 153, 186, 202, 204, 262, 279, 303, 306, 372, 393, 404, 524, 527, 558, 606, 612, 786, 909, 1054, 1116, 1179, 1212, 1572, 1581, 1717, 1818, 2108, 2227, 2358, 3131, 3162, 3434, 3636, 4061, 4454, 4716, 4743, 5151, 6262, 6324, 6681, 6868, 8122, 8908, 9393, 9486, 10302, 12183, 12524, 13231, 13362, 15453, 16244, 18786, 18972, 20043, 20604, 24366, 26462, 26724, 28179, 30906, 36549, 37572, 39693, 40086, 48732, 52924, 53227, 56358, 61812, 69037, 73098, 79386, 80172, 106454, 112716, 119079, 138074, 146196, 158772, 159681, 207111, 212908, 224927, 238158, 276148, 319362, 410161, 414222, 449854, 476316, 479043, 621333, 638724, 674781, 820322, 828444, 899708, 958086, 1230483, 1242666, 1349562, 1640644, 1916172, 2024343, 2460966, 2485332, 2699124, 3691449, 4048686, 4921932, 6972737, 7382898, 8097372, 13945474, 14765796, 20918211, 27890948, 41836422, 62754633, 83672844, 125509266, 251018532]

約数ペア:

[(1, 251018532), (2, 125509266), (3, 83672844), (4, 62754633), (6, 41836422), (9, 27890948), (12, 20918211), (17, 14765796), (18, 13945474), (31, 8097372), (34, 7382898), (36, 6972737), (51, 4921932), (62, 4048686), (68, 3691449), (93, 2699124), (101, 2485332), (102, 2460966), (124, 2024343), (131, 1916172), (153, 1640644), (186, 1349562), (202, 1242666), (204, 1230483), (262, 958086), (279, 899708), (303, 828444), (306, 820322), (372, 674781), (393, 638724), (404, 621333), (524, 479043), (527, 476316), (558, 449854), (606, 414222), (612, 410161), (786, 319362), (909, 276148), (1054, 238158), (1116, 224927), (1179, 212908), (1212, 207111), (1572, 159681), (1581, 158772), (1717, 146196), (1818, 138074), (2108, 119079), (2227, 112716), (2358, 106454), (3131, 80172), (3162, 79386), (3434, 73098), (3636, 69037), (4061, 61812), (4454, 56358), (4716, 53227), (4743, 52924), (5151, 48732), (6262, 40086), (6324, 39693), (6681, 37572), (6868, 36549), (8122, 30906), (8908, 28179), (9393, 26724), (9486, 26462), (10302, 24366), (12183, 20604), (12524, 20043), (13231, 18972), (13362, 18786), (15453, 16244)]