639288

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{683}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 1867320

約数和(自身を除く): 1228032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 683, 936, 1366, 2049, 2732, 4098, 5464, 6147, 8196, 8879, 12294, 16392, 17758, 24588, 26637, 35516, 49176, 53274, 71032, 79911, 106548, 159822, 213096, 319644, 639288]

約数ペア:

[(1, 639288), (2, 319644), (3, 213096), (4, 159822), (6, 106548), (8, 79911), (9, 71032), (12, 53274), (13, 49176), (18, 35516), (24, 26637), (26, 24588), (36, 17758), (39, 16392), (52, 12294), (72, 8879), (78, 8196), (104, 6147), (117, 5464), (156, 4098), (234, 2732), (312, 2049), (468, 1366), (683, 936)]