28828904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6761}}^1$

素因数の和:6821

約数の個数: 32

約数和(自身を含む): 59640840

約数和(自身を除く): 30811936

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 6761, 13522, 27044, 54088, 87893, 175786, 277201, 351572, 554402, 703144, 1108804, 2217608, 3603613, 7207226, 14414452, 28828904]

約数ペア:

[(1, 28828904), (2, 14414452), (4, 7207226), (8, 3603613), (13, 2217608), (26, 1108804), (41, 703144), (52, 554402), (82, 351572), (104, 277201), (164, 175786), (328, 87893), (533, 54088), (1066, 27044), (2132, 13522), (4264, 6761)]