261827172

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{2141}}^1$

素因数の和:2273

約数の個数: 72

約数和(自身を含む): 686125440

約数和(自身を除く): 424298268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 79, 86, 129, 158, 172, 237, 258, 316, 387, 474, 516, 711, 774, 948, 1422, 1548, 2141, 2844, 3397, 4282, 6423, 6794, 8564, 10191, 12846, 13588, 19269, 20382, 25692, 30573, 38538, 40764, 61146, 77076, 92063, 122292, 169139, 184126, 276189, 338278, 368252, 507417, 552378, 676556, 828567, 1014834, 1104756, 1522251, 1657134, 2029668, 3044502, 3314268, 6089004, 7272977, 14545954, 21818931, 29091908, 43637862, 65456793, 87275724, 130913586, 261827172]

約数ペア:

[(1, 261827172), (2, 130913586), (3, 87275724), (4, 65456793), (6, 43637862), (9, 29091908), (12, 21818931), (18, 14545954), (36, 7272977), (43, 6089004), (79, 3314268), (86, 3044502), (129, 2029668), (158, 1657134), (172, 1522251), (237, 1104756), (258, 1014834), (316, 828567), (387, 676556), (474, 552378), (516, 507417), (711, 368252), (774, 338278), (948, 276189), (1422, 184126), (1548, 169139), (2141, 122292), (2844, 92063), (3397, 77076), (4282, 61146), (6423, 40764), (6794, 38538), (8564, 30573), (10191, 25692), (12846, 20382), (13588, 19269)]