499999808

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{421}}^1$

素因数の和:692

約数の個数: 112

約数和(自身を含む): 1245095808

約数和(自身を除く): 745096000

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 154, 176, 224, 241, 308, 352, 421, 448, 482, 616, 704, 842, 964, 1232, 1684, 1687, 1928, 2464, 2651, 2947, 3368, 3374, 3856, 4631, 4928, 5302, 5894, 6736, 6748, 7712, 9262, 10604, 11788, 13472, 13496, 15424, 18524, 18557, 21208, 23576, 26944, 26992, 32417, 37048, 37114, 42416, 47152, 53984, 64834, 74096, 74228, 84832, 94304, 101461, 107968, 129668, 148192, 148456, 169664, 188608, 202922, 259336, 296384, 296912, 405844, 518672, 593824, 710227, 811688, 1037344, 1116071, 1187648, 1420454, 1623376, 2074688, 2232142, 2840908, 3246752, 4464284, 5681816, 6493504, 7812497, 8928568, 11363632, 15624994, 17857136, 22727264, 31249988, 35714272, 45454528, 62499976, 71428544, 124999952, 249999904, 499999808]

約数ペア:

[(1, 499999808), (2, 249999904), (4, 124999952), (7, 71428544), (8, 62499976), (11, 45454528), (14, 35714272), (16, 31249988), (22, 22727264), (28, 17857136), (32, 15624994), (44, 11363632), (56, 8928568), (64, 7812497), (77, 6493504), (88, 5681816), (112, 4464284), (154, 3246752), (176, 2840908), (224, 2232142), (241, 2074688), (308, 1623376), (352, 1420454), (421, 1187648), (448, 1116071), (482, 1037344), (616, 811688), (704, 710227), (842, 593824), (964, 518672), (1232, 405844), (1684, 296912), (1687, 296384), (1928, 259336), (2464, 202922), (2651, 188608), (2947, 169664), (3368, 148456), (3374, 148192), (3856, 129668), (4631, 107968), (4928, 101461), (5302, 94304), (5894, 84832), (6736, 74228), (6748, 74096), (7712, 64834), (9262, 53984), (10604, 47152), (11788, 42416), (13472, 37114), (13496, 37048), (15424, 32417), (18524, 26992), (18557, 26944), (21208, 23576)]