28991248

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12671}}^1$

素因数の和:12703

約数の個数: 40

約数和(自身を含む): 65995776

約数和(自身を除く): 37004528

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 12671, 25342, 50684, 101368, 139381, 164723, 202736, 278762, 329446, 557524, 658892, 1115048, 1317784, 1811953, 2230096, 2635568, 3623906, 7247812, 14495624, 28991248]

約数ペア:

[(1, 28991248), (2, 14495624), (4, 7247812), (8, 3623906), (11, 2635568), (13, 2230096), (16, 1811953), (22, 1317784), (26, 1115048), (44, 658892), (52, 557524), (88, 329446), (104, 278762), (143, 202736), (176, 164723), (208, 139381), (286, 101368), (572, 50684), (1144, 25342), (2288, 12671)]