131260428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2141}}^1$

素因数の和:2295

約数の個数: 72

約数和(自身を含む): 360215856

約数和(自身を除く): 228955428

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 131, 156, 234, 262, 393, 468, 524, 786, 1179, 1572, 1703, 2141, 2358, 3406, 4282, 4716, 5109, 6423, 6812, 8564, 10218, 12846, 15327, 19269, 20436, 25692, 27833, 30654, 38538, 55666, 61308, 77076, 83499, 111332, 166998, 250497, 280471, 333996, 500994, 560942, 841413, 1001988, 1121884, 1682826, 2524239, 3365652, 3646123, 5048478, 7292246, 10096956, 10938369, 14584492, 21876738, 32815107, 43753476, 65630214, 131260428]

約数ペア:

[(1, 131260428), (2, 65630214), (3, 43753476), (4, 32815107), (6, 21876738), (9, 14584492), (12, 10938369), (13, 10096956), (18, 7292246), (26, 5048478), (36, 3646123), (39, 3365652), (52, 2524239), (78, 1682826), (117, 1121884), (131, 1001988), (156, 841413), (234, 560942), (262, 500994), (393, 333996), (468, 280471), (524, 250497), (786, 166998), (1179, 111332), (1572, 83499), (1703, 77076), (2141, 61308), (2358, 55666), (3406, 38538), (4282, 30654), (4716, 27833), (5109, 25692), (6423, 20436), (6812, 19269), (8564, 15327), (10218, 12846)]