400955282

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:483

約数の個数: 64

約数和(自身を含む): 761612544

約数和(自身を除く): 360657262

約数列:

[1, 2, 7, 13, 14, 26, 53, 91, 106, 182, 197, 211, 371, 394, 422, 689, 742, 1378, 1379, 1477, 2561, 2743, 2758, 2954, 4823, 5122, 5486, 9646, 10441, 11183, 17927, 19201, 20882, 22366, 35854, 38402, 41567, 73087, 78281, 83134, 135733, 145379, 146174, 156562, 271466, 290758, 290969, 540371, 581938, 950131, 1017653, 1080742, 1900262, 2035306, 2203051, 3782597, 4406102, 7565194, 15421357, 28639663, 30842714, 57279326, 200477641, 400955282]

約数ペア:

[(1, 400955282), (2, 200477641), (7, 57279326), (13, 30842714), (14, 28639663), (26, 15421357), (53, 7565194), (91, 4406102), (106, 3782597), (182, 2203051), (197, 2035306), (211, 1900262), (371, 1080742), (394, 1017653), (422, 950131), (689, 581938), (742, 540371), (1378, 290969), (1379, 290758), (1477, 271466), (2561, 156562), (2743, 146174), (2758, 145379), (2954, 135733), (4823, 83134), (5122, 78281), (5486, 73087), (9646, 41567), (10441, 38402), (11183, 35854), (17927, 22366), (19201, 20882)]