90891938

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 145846272

約数和(自身を除く): 54954334

約数列:

[1, 2, 31, 43, 62, 86, 103, 206, 331, 662, 1333, 2666, 3193, 4429, 6386, 8858, 10261, 14233, 20522, 28466, 34093, 68186, 137299, 274598, 441223, 882446, 1056883, 1465999, 2113766, 2931998, 45445969, 90891938]

約数ペア:

[(1, 90891938), (2, 45445969), (31, 2931998), (43, 2113766), (62, 1465999), (86, 1056883), (103, 882446), (206, 441223), (331, 274598), (662, 137299), (1333, 68186), (2666, 34093), (3193, 28466), (4429, 20522), (6386, 14233), (8858, 10261)]