155983568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1423}}^1$

素因数の和:1492

約数の個数: 80

約数和(自身を含む): 355977216

約数和(自身を除く): 199993648

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 208, 221, 248, 272, 403, 442, 496, 527, 806, 884, 1054, 1423, 1612, 1768, 2108, 2846, 3224, 3536, 4216, 5692, 6448, 6851, 8432, 11384, 13702, 18499, 22768, 24191, 27404, 36998, 44113, 48382, 54808, 73996, 88226, 96764, 109616, 147992, 176452, 193528, 295984, 314483, 352904, 387056, 573469, 628966, 705808, 749921, 1146938, 1257932, 1499842, 2293876, 2515864, 2999684, 4587752, 5031728, 5999368, 9175504, 9748973, 11998736, 19497946, 38995892, 77991784, 155983568]

約数ペア:

[(1, 155983568), (2, 77991784), (4, 38995892), (8, 19497946), (13, 11998736), (16, 9748973), (17, 9175504), (26, 5999368), (31, 5031728), (34, 4587752), (52, 2999684), (62, 2515864), (68, 2293876), (104, 1499842), (124, 1257932), (136, 1146938), (208, 749921), (221, 705808), (248, 628966), (272, 573469), (403, 387056), (442, 352904), (496, 314483), (527, 295984), (806, 193528), (884, 176452), (1054, 147992), (1423, 109616), (1612, 96764), (1768, 88226), (2108, 73996), (2846, 54808), (3224, 48382), (3536, 44113), (4216, 36998), (5692, 27404), (6448, 24191), (6851, 22768), (8432, 18499), (11384, 13702)]