128765988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{547}}^1$

素因数の和:1073

約数の個数: 72

約数和(自身を含む): 351868608

約数和(自身を除く): 223102620

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 503, 547, 1006, 1094, 1509, 1641, 2012, 2188, 3018, 3282, 4527, 4923, 6036, 6539, 6564, 7111, 9054, 9846, 13078, 14222, 18108, 19617, 19692, 21333, 26156, 28444, 39234, 42666, 58851, 63999, 78468, 85332, 117702, 127998, 235404, 255996, 275141, 550282, 825423, 1100564, 1650846, 2476269, 3301692, 3576833, 4952538, 7153666, 9905076, 10730499, 14307332, 21460998, 32191497, 42921996, 64382994, 128765988]

約数ペア:

[(1, 128765988), (2, 64382994), (3, 42921996), (4, 32191497), (6, 21460998), (9, 14307332), (12, 10730499), (13, 9905076), (18, 7153666), (26, 4952538), (36, 3576833), (39, 3301692), (52, 2476269), (78, 1650846), (117, 1100564), (156, 825423), (234, 550282), (468, 275141), (503, 255996), (547, 235404), (1006, 127998), (1094, 117702), (1509, 85332), (1641, 78468), (2012, 63999), (2188, 58851), (3018, 42666), (3282, 39234), (4527, 28444), (4923, 26156), (6036, 21333), (6539, 19692), (6564, 19617), (7111, 18108), (9054, 14222), (9846, 13078)]