7851090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 20829312

約数和(自身を除く): 12978222

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 123, 130, 195, 205, 246, 390, 410, 491, 533, 615, 982, 1066, 1230, 1473, 1599, 2455, 2665, 2946, 3198, 4910, 5330, 6383, 7365, 7995, 12766, 14730, 15990, 19149, 20131, 31915, 38298, 40262, 60393, 63830, 95745, 100655, 120786, 191490, 201310, 261703, 301965, 523406, 603930, 785109, 1308515, 1570218, 2617030, 3925545, 7851090]

約数ペア:

[(1, 7851090), (2, 3925545), (3, 2617030), (5, 1570218), (6, 1308515), (10, 785109), (13, 603930), (15, 523406), (26, 301965), (30, 261703), (39, 201310), (41, 191490), (65, 120786), (78, 100655), (82, 95745), (123, 63830), (130, 60393), (195, 40262), (205, 38298), (246, 31915), (390, 20131), (410, 19149), (491, 15990), (533, 14730), (615, 12766), (982, 7995), (1066, 7365), (1230, 6383), (1473, 5330), (1599, 4910), (2455, 3198), (2665, 2946)]