69980428

素因数分解:

$2^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{73}}^2$

素因数の和:231

約数の個数: 54

約数和(自身を含む): 146594196

約数和(自身を除く): 76613768

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 73, 98, 134, 146, 196, 268, 292, 469, 511, 938, 1022, 1876, 2044, 3283, 3577, 4891, 5329, 6566, 7154, 9782, 10658, 13132, 14308, 19564, 21316, 34237, 37303, 68474, 74606, 136948, 149212, 239659, 261121, 357043, 479318, 522242, 714086, 958636, 1044484, 1428172, 2499301, 4998602, 9997204, 17495107, 34990214, 69980428]

約数ペア:

[(1, 69980428), (2, 34990214), (4, 17495107), (7, 9997204), (14, 4998602), (28, 2499301), (49, 1428172), (67, 1044484), (73, 958636), (98, 714086), (134, 522242), (146, 479318), (196, 357043), (268, 261121), (292, 239659), (469, 149212), (511, 136948), (938, 74606), (1022, 68474), (1876, 37303), (2044, 34237), (3283, 21316), (3577, 19564), (4891, 14308), (5329, 13132), (6566, 10658), (7154, 9782)]