1649399296

素因数分解:

$2^9\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 120

約数和(自身を含む): 3572757936

約数和(自身を除く): 1923358640

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 71, 128, 136, 142, 157, 256, 272, 284, 289, 314, 512, 544, 568, 578, 628, 1088, 1136, 1156, 1207, 1256, 2176, 2272, 2312, 2414, 2512, 2669, 4352, 4544, 4624, 4828, 5024, 5338, 8704, 9088, 9248, 9656, 10048, 10676, 11147, 18176, 18496, 19312, 20096, 20519, 21352, 22294, 36352, 36992, 38624, 40192, 41038, 42704, 44588, 45373, 73984, 77248, 80384, 82076, 85408, 89176, 90746, 147968, 154496, 164152, 170816, 178352, 181492, 189499, 308992, 328304, 341632, 356704, 362984, 378998, 617984, 656608, 683264, 713408, 725968, 757996, 1313216, 1366528, 1426816, 1451936, 1515992, 2626432, 2853632, 2903872, 3031984, 3221483, 5252864, 5707264, 5807744, 6063968, 6442966, 10505728, 11615488, 12127936, 12885932, 23230976, 24255872, 25771864, 48511744, 51543728, 97023488, 103087456, 206174912, 412349824, 824699648, 1649399296]

約数ペア:

[(1, 1649399296), (2, 824699648), (4, 412349824), (8, 206174912), (16, 103087456), (17, 97023488), (32, 51543728), (34, 48511744), (64, 25771864), (68, 24255872), (71, 23230976), (128, 12885932), (136, 12127936), (142, 11615488), (157, 10505728), (256, 6442966), (272, 6063968), (284, 5807744), (289, 5707264), (314, 5252864), (512, 3221483), (544, 3031984), (568, 2903872), (578, 2853632), (628, 2626432), (1088, 1515992), (1136, 1451936), (1156, 1426816), (1207, 1366528), (1256, 1313216), (2176, 757996), (2272, 725968), (2312, 713408), (2414, 683264), (2512, 656608), (2669, 617984), (4352, 378998), (4544, 362984), (4624, 356704), (4828, 341632), (5024, 328304), (5338, 308992), (8704, 189499), (9088, 181492), (9248, 178352), (9656, 170816), (10048, 164152), (10676, 154496), (11147, 147968), (18176, 90746), (18496, 89176), (19312, 85408), (20096, 82076), (20519, 80384), (21352, 77248), (22294, 73984), (36352, 45373), (36992, 44588), (38624, 42704), (40192, 41038)]