261806402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 480090240

約数和(自身を除く): 218283838

約数列:

[1, 2, 11, 13, 22, 26, 41, 82, 83, 143, 166, 269, 286, 451, 533, 538, 902, 913, 1066, 1079, 1826, 2158, 2959, 3403, 3497, 5863, 5918, 6806, 6994, 11029, 11726, 11869, 22058, 22327, 23738, 37433, 38467, 44239, 44654, 74866, 76934, 88478, 121319, 143377, 242638, 245597, 286754, 290251, 486629, 491194, 580502, 915407, 973258, 1577147, 1830814, 3154294, 3192761, 6385522, 10069477, 11900291, 20138954, 23800582, 130903201, 261806402]

約数ペア:

[(1, 261806402), (2, 130903201), (11, 23800582), (13, 20138954), (22, 11900291), (26, 10069477), (41, 6385522), (82, 3192761), (83, 3154294), (143, 1830814), (166, 1577147), (269, 973258), (286, 915407), (451, 580502), (533, 491194), (538, 486629), (902, 290251), (913, 286754), (1066, 245597), (1079, 242638), (1826, 143377), (2158, 121319), (2959, 88478), (3403, 76934), (3497, 74866), (5863, 44654), (5918, 44239), (6806, 38467), (6994, 37433), (11029, 23738), (11726, 22327), (11869, 22058)]