187561494

素因数分解:

$2^1\times 3^7\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 426386880

約数和(自身を除く): 238825386

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 137, 162, 243, 274, 313, 411, 486, 626, 729, 822, 939, 1233, 1458, 1878, 2187, 2466, 2817, 3699, 4374, 5634, 7398, 8451, 11097, 16902, 22194, 25353, 33291, 42881, 50706, 66582, 76059, 85762, 99873, 128643, 152118, 199746, 228177, 257286, 299619, 385929, 456354, 599238, 684531, 771858, 1157787, 1369062, 2315574, 3473361, 6946722, 10420083, 20840166, 31260249, 62520498, 93780747, 187561494]

約数ペア:

[(1, 187561494), (2, 93780747), (3, 62520498), (6, 31260249), (9, 20840166), (18, 10420083), (27, 6946722), (54, 3473361), (81, 2315574), (137, 1369062), (162, 1157787), (243, 771858), (274, 684531), (313, 599238), (411, 456354), (486, 385929), (626, 299619), (729, 257286), (822, 228177), (939, 199746), (1233, 152118), (1458, 128643), (1878, 99873), (2187, 85762), (2466, 76059), (2817, 66582), (3699, 50706), (4374, 42881), (5634, 33291), (7398, 25353), (8451, 22194), (11097, 16902)]