207940172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 404490240

約数和(自身を除く): 196550068

約数列:

[1, 2, 4, 11, 22, 44, 109, 191, 218, 227, 382, 436, 454, 764, 908, 1199, 2101, 2398, 2497, 4202, 4796, 4994, 8404, 9988, 20819, 24743, 41638, 43357, 49486, 83276, 86714, 98972, 173428, 229009, 272173, 458018, 476927, 544346, 916036, 953854, 1088692, 1907708, 4725913, 9451826, 18903652, 51985043, 103970086, 207940172]

約数ペア:

[(1, 207940172), (2, 103970086), (4, 51985043), (11, 18903652), (22, 9451826), (44, 4725913), (109, 1907708), (191, 1088692), (218, 953854), (227, 916036), (382, 544346), (436, 476927), (454, 458018), (764, 272173), (908, 229009), (1199, 173428), (2101, 98972), (2398, 86714), (2497, 83276), (4202, 49486), (4796, 43357), (4994, 41638), (8404, 24743), (9988, 20819)]