642321736

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{16087}}^1$

素因数の和:16154

約数の個数: 64

約数和(自身を含む): 1482670080

約数和(自身を除く): 840348344

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 31, 46, 56, 62, 92, 124, 161, 184, 217, 248, 322, 434, 644, 713, 868, 1288, 1426, 1736, 2852, 4991, 5704, 9982, 16087, 19964, 32174, 39928, 64348, 112609, 128696, 225218, 370001, 450436, 498697, 740002, 900872, 997394, 1480004, 1994788, 2590007, 2960008, 3490879, 3989576, 5180014, 6981758, 10360028, 11470031, 13963516, 20720056, 22940062, 27927032, 45880124, 80290217, 91760248, 160580434, 321160868, 642321736]

約数ペア:

[(1, 642321736), (2, 321160868), (4, 160580434), (7, 91760248), (8, 80290217), (14, 45880124), (23, 27927032), (28, 22940062), (31, 20720056), (46, 13963516), (56, 11470031), (62, 10360028), (92, 6981758), (124, 5180014), (161, 3989576), (184, 3490879), (217, 2960008), (248, 2590007), (322, 1994788), (434, 1480004), (644, 997394), (713, 900872), (868, 740002), (1288, 498697), (1426, 450436), (1736, 370001), (2852, 225218), (4991, 128696), (5704, 112609), (9982, 64348), (16087, 39928), (19964, 32174)]