399794848

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:366

約数の個数: 96

約数和(自身を含む): 871492608

約数和(自身を除く): 471697760

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 151, 157, 248, 272, 302, 314, 496, 527, 544, 604, 628, 992, 1054, 1208, 1256, 2108, 2416, 2512, 2567, 2669, 4216, 4681, 4832, 4867, 5024, 5134, 5338, 8432, 9362, 9734, 10268, 10676, 16864, 18724, 19468, 20536, 21352, 23707, 37448, 38936, 41072, 42704, 47414, 74896, 77872, 79577, 82144, 82739, 85408, 94828, 149792, 155744, 159154, 165478, 189656, 318308, 330956, 379312, 403019, 636616, 661912, 734917, 758624, 806038, 1273232, 1323824, 1469834, 1612076, 2546464, 2647648, 2939668, 3224152, 5879336, 6448304, 11758672, 12493589, 12896608, 23517344, 24987178, 49974356, 99948712, 199897424, 399794848]

約数ペア:

[(1, 399794848), (2, 199897424), (4, 99948712), (8, 49974356), (16, 24987178), (17, 23517344), (31, 12896608), (32, 12493589), (34, 11758672), (62, 6448304), (68, 5879336), (124, 3224152), (136, 2939668), (151, 2647648), (157, 2546464), (248, 1612076), (272, 1469834), (302, 1323824), (314, 1273232), (496, 806038), (527, 758624), (544, 734917), (604, 661912), (628, 636616), (992, 403019), (1054, 379312), (1208, 330956), (1256, 318308), (2108, 189656), (2416, 165478), (2512, 159154), (2567, 155744), (2669, 149792), (4216, 94828), (4681, 85408), (4832, 82739), (4867, 82144), (5024, 79577), (5134, 77872), (5338, 74896), (8432, 47414), (9362, 42704), (9734, 41072), (10268, 38936), (10676, 37448), (16864, 23707), (18724, 21352), (19468, 20536)]