243257508

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{8521}}^1$

素因数の和:8605

約数の個数: 72

約数和(自身を含む): 673135736

約数和(自身を除く): 429878228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 61, 78, 117, 122, 156, 183, 234, 244, 366, 468, 549, 732, 793, 1098, 1586, 2196, 2379, 3172, 4758, 7137, 8521, 9516, 14274, 17042, 25563, 28548, 34084, 51126, 76689, 102252, 110773, 153378, 221546, 306756, 332319, 443092, 519781, 664638, 996957, 1039562, 1329276, 1559343, 1993914, 2079124, 3118686, 3987828, 4678029, 6237372, 6757153, 9356058, 13514306, 18712116, 20271459, 27028612, 40542918, 60814377, 81085836, 121628754, 243257508]

約数ペア:

[(1, 243257508), (2, 121628754), (3, 81085836), (4, 60814377), (6, 40542918), (9, 27028612), (12, 20271459), (13, 18712116), (18, 13514306), (26, 9356058), (36, 6757153), (39, 6237372), (52, 4678029), (61, 3987828), (78, 3118686), (117, 2079124), (122, 1993914), (156, 1559343), (183, 1329276), (234, 1039562), (244, 996957), (366, 664638), (468, 519781), (549, 443092), (732, 332319), (793, 306756), (1098, 221546), (1586, 153378), (2196, 110773), (2379, 102252), (3172, 76689), (4758, 51126), (7137, 34084), (8521, 28548), (9516, 25563), (14274, 17042)]