208145408

素因数分解:

$2^{10}\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:213

約数の個数: 88

約数和(自身を含む): 440186880

約数和(自身を除く): 232041472

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 83, 124, 128, 158, 166, 248, 256, 316, 332, 496, 512, 632, 664, 992, 1024, 1264, 1328, 1984, 2449, 2528, 2573, 2656, 3968, 4898, 5056, 5146, 5312, 6557, 7936, 9796, 10112, 10292, 10624, 13114, 15872, 19592, 20224, 20584, 21248, 26228, 31744, 39184, 40448, 41168, 42496, 52456, 78368, 80896, 82336, 84992, 104912, 156736, 164672, 203267, 209824, 313472, 329344, 406534, 419648, 626944, 658688, 813068, 839296, 1253888, 1317376, 1626136, 1678592, 2507776, 2634752, 3252272, 3357184, 6504544, 6714368, 13009088, 26018176, 52036352, 104072704, 208145408]

約数ペア:

[(1, 208145408), (2, 104072704), (4, 52036352), (8, 26018176), (16, 13009088), (31, 6714368), (32, 6504544), (62, 3357184), (64, 3252272), (79, 2634752), (83, 2507776), (124, 1678592), (128, 1626136), (158, 1317376), (166, 1253888), (248, 839296), (256, 813068), (316, 658688), (332, 626944), (496, 419648), (512, 406534), (632, 329344), (664, 313472), (992, 209824), (1024, 203267), (1264, 164672), (1328, 156736), (1984, 104912), (2449, 84992), (2528, 82336), (2573, 80896), (2656, 78368), (3968, 52456), (4898, 42496), (5056, 41168), (5146, 40448), (5312, 39184), (6557, 31744), (7936, 26228), (9796, 21248), (10112, 20584), (10292, 20224), (10624, 19592), (13114, 15872)]