1388794784

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:518

約数の個数: 96

約数和(自身を含む): 3009355776

約数和(自身を除く): 1620560992

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 97, 104, 127, 194, 208, 254, 271, 388, 416, 508, 542, 776, 1016, 1084, 1261, 1552, 1651, 2032, 2168, 2522, 3104, 3302, 3523, 4064, 4336, 5044, 6604, 7046, 8672, 10088, 12319, 13208, 14092, 20176, 24638, 26287, 26416, 28184, 34417, 40352, 49276, 52574, 52832, 56368, 68834, 98552, 105148, 112736, 137668, 160147, 197104, 210296, 275336, 320294, 341731, 394208, 420592, 447421, 550672, 640588, 683462, 841184, 894842, 1101344, 1281176, 1366924, 1789684, 2562352, 2733848, 3338449, 3579368, 5124704, 5467696, 6676898, 7158736, 10935392, 13353796, 14317472, 26707592, 43399837, 53415184, 86799674, 106830368, 173599348, 347198696, 694397392, 1388794784]

約数ペア:

[(1, 1388794784), (2, 694397392), (4, 347198696), (8, 173599348), (13, 106830368), (16, 86799674), (26, 53415184), (32, 43399837), (52, 26707592), (97, 14317472), (104, 13353796), (127, 10935392), (194, 7158736), (208, 6676898), (254, 5467696), (271, 5124704), (388, 3579368), (416, 3338449), (508, 2733848), (542, 2562352), (776, 1789684), (1016, 1366924), (1084, 1281176), (1261, 1101344), (1552, 894842), (1651, 841184), (2032, 683462), (2168, 640588), (2522, 550672), (3104, 447421), (3302, 420592), (3523, 394208), (4064, 341731), (4336, 320294), (5044, 275336), (6604, 210296), (7046, 197104), (8672, 160147), (10088, 137668), (12319, 112736), (13208, 105148), (14092, 98552), (20176, 68834), (24638, 56368), (26287, 52832), (26416, 52574), (28184, 49276), (34417, 40352)]