254184438

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:661

約数の個数: 64

約数和(自身を含む): 546822144

約数和(自身を除く): 292637706

約数列:

[1, 2, 3, 6, 31, 43, 61, 62, 86, 93, 122, 129, 183, 186, 258, 366, 521, 1042, 1333, 1563, 1891, 2623, 2666, 3126, 3782, 3999, 5246, 5673, 7869, 7998, 11346, 15738, 16151, 22403, 31781, 32302, 44806, 48453, 63562, 67209, 81313, 95343, 96906, 134418, 162626, 190686, 243939, 487878, 694493, 985211, 1366583, 1388986, 1970422, 2083479, 2733166, 2955633, 4099749, 4166958, 5911266, 8199498, 42364073, 84728146, 127092219, 254184438]

約数ペア:

[(1, 254184438), (2, 127092219), (3, 84728146), (6, 42364073), (31, 8199498), (43, 5911266), (61, 4166958), (62, 4099749), (86, 2955633), (93, 2733166), (122, 2083479), (129, 1970422), (183, 1388986), (186, 1366583), (258, 985211), (366, 694493), (521, 487878), (1042, 243939), (1333, 190686), (1563, 162626), (1891, 134418), (2623, 96906), (2666, 95343), (3126, 81313), (3782, 67209), (3999, 63562), (5246, 48453), (5673, 44806), (7869, 32302), (7998, 31781), (11346, 22403), (15738, 16151)]