331315998

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{491}}^1$

素因数の和:761

約数の個数: 64

約数和(自身を含む): 735969024

約数和(自身を除く): 404653026

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 211, 246, 422, 491, 533, 633, 982, 1066, 1266, 1473, 1599, 2743, 2946, 3198, 5486, 6383, 8229, 8651, 12766, 16458, 17302, 19149, 20131, 25953, 38298, 40262, 51906, 60393, 103601, 112463, 120786, 207202, 224926, 261703, 310803, 337389, 523406, 621606, 674778, 785109, 1346813, 1570218, 2693626, 4040439, 4247641, 8080878, 8495282, 12742923, 25485846, 55219333, 110438666, 165657999, 331315998]

約数ペア:

[(1, 331315998), (2, 165657999), (3, 110438666), (6, 55219333), (13, 25485846), (26, 12742923), (39, 8495282), (41, 8080878), (78, 4247641), (82, 4040439), (123, 2693626), (211, 1570218), (246, 1346813), (422, 785109), (491, 674778), (533, 621606), (633, 523406), (982, 337389), (1066, 310803), (1266, 261703), (1473, 224926), (1599, 207202), (2743, 120786), (2946, 112463), (3198, 103601), (5486, 60393), (6383, 51906), (8229, 40262), (8651, 38298), (12766, 25953), (16458, 20131), (17302, 19149)]