638262744

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4877}}^1$

素因数の和:4953

約数の個数: 128

約数和(自身を含む): 1966809600

約数和(自身を除く): 1328546856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 41, 42, 56, 57, 76, 82, 84, 114, 123, 133, 152, 164, 168, 228, 246, 266, 287, 328, 399, 456, 492, 532, 574, 779, 798, 861, 984, 1064, 1148, 1558, 1596, 1722, 2296, 2337, 3116, 3192, 3444, 4674, 4877, 5453, 6232, 6888, 9348, 9754, 10906, 14631, 16359, 18696, 19508, 21812, 29262, 32718, 34139, 39016, 43624, 58524, 65436, 68278, 92663, 102417, 117048, 130872, 136556, 185326, 199957, 204834, 273112, 277989, 370652, 399914, 409668, 555978, 599871, 648641, 741304, 799828, 819336, 1111956, 1199742, 1297282, 1399699, 1599656, 1945923, 2223912, 2399484, 2594564, 2799398, 3799183, 3891846, 4199097, 4798968, 5189128, 5598796, 7598366, 7783692, 8398194, 11197592, 11397549, 15196732, 15567384, 16796388, 22795098, 26594281, 30393464, 33592776, 45590196, 53188562, 79782843, 91180392, 106377124, 159565686, 212754248, 319131372, 638262744]

約数ペア:

[(1, 638262744), (2, 319131372), (3, 212754248), (4, 159565686), (6, 106377124), (7, 91180392), (8, 79782843), (12, 53188562), (14, 45590196), (19, 33592776), (21, 30393464), (24, 26594281), (28, 22795098), (38, 16796388), (41, 15567384), (42, 15196732), (56, 11397549), (57, 11197592), (76, 8398194), (82, 7783692), (84, 7598366), (114, 5598796), (123, 5189128), (133, 4798968), (152, 4199097), (164, 3891846), (168, 3799183), (228, 2799398), (246, 2594564), (266, 2399484), (287, 2223912), (328, 1945923), (399, 1599656), (456, 1399699), (492, 1297282), (532, 1199742), (574, 1111956), (779, 819336), (798, 799828), (861, 741304), (984, 648641), (1064, 599871), (1148, 555978), (1558, 409668), (1596, 399914), (1722, 370652), (2296, 277989), (2337, 273112), (3116, 204834), (3192, 199957), (3444, 185326), (4674, 136556), (4877, 130872), (5453, 117048), (6232, 102417), (6888, 92663), (9348, 68278), (9754, 65436), (10906, 58524), (14631, 43624), (16359, 39016), (18696, 34139), (19508, 32718), (21812, 29262)]