258200488

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:747

約数の個数: 128

約数和(自身を含む): 652216320

約数和(自身を除く): 394015832

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 31, 34, 52, 56, 62, 68, 91, 104, 119, 124, 136, 182, 217, 221, 238, 248, 364, 403, 434, 442, 476, 527, 673, 728, 806, 868, 884, 952, 1054, 1346, 1547, 1612, 1736, 1768, 2108, 2692, 2821, 3094, 3224, 3689, 4216, 4711, 5384, 5642, 6188, 6851, 7378, 8749, 9422, 11284, 11441, 12376, 13702, 14756, 17498, 18844, 20863, 22568, 22882, 27404, 29512, 34996, 37688, 41726, 45764, 47957, 54808, 61243, 69992, 80087, 83452, 91528, 95914, 122486, 146041, 148733, 160174, 166904, 191828, 244972, 271219, 292082, 297466, 320348, 354671, 383656, 489944, 542438, 584164, 594932, 640696, 709342, 1041131, 1084876, 1168328, 1189864, 1418684, 1898533, 2082262, 2169752, 2482697, 2837368, 3797066, 4164524, 4610723, 4965394, 7594132, 8329048, 9221446, 9930788, 15188264, 18442892, 19861576, 32275061, 36885784, 64550122, 129100244, 258200488]

約数ペア:

[(1, 258200488), (2, 129100244), (4, 64550122), (7, 36885784), (8, 32275061), (13, 19861576), (14, 18442892), (17, 15188264), (26, 9930788), (28, 9221446), (31, 8329048), (34, 7594132), (52, 4965394), (56, 4610723), (62, 4164524), (68, 3797066), (91, 2837368), (104, 2482697), (119, 2169752), (124, 2082262), (136, 1898533), (182, 1418684), (217, 1189864), (221, 1168328), (238, 1084876), (248, 1041131), (364, 709342), (403, 640696), (434, 594932), (442, 584164), (476, 542438), (527, 489944), (673, 383656), (728, 354671), (806, 320348), (868, 297466), (884, 292082), (952, 271219), (1054, 244972), (1346, 191828), (1547, 166904), (1612, 160174), (1736, 148733), (1768, 146041), (2108, 122486), (2692, 95914), (2821, 91528), (3094, 83452), (3224, 80087), (3689, 69992), (4216, 61243), (4711, 54808), (5384, 47957), (5642, 45764), (6188, 41726), (6851, 37688), (7378, 34996), (8749, 29512), (9422, 27404), (11284, 22882), (11441, 22568), (12376, 20863), (13702, 18844), (14756, 17498)]