78281406

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1721}}^1$

素因数の和:1774

約数の個数: 72

約数和(自身を含む): 204697584

約数和(自身を除く): 126416178

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 361, 399, 722, 798, 1083, 1197, 1721, 2166, 2394, 2527, 3249, 3442, 5054, 5163, 6498, 7581, 10326, 12047, 15162, 15489, 22743, 24094, 30978, 32699, 36141, 45486, 65398, 72282, 98097, 108423, 196194, 216846, 228893, 294291, 457786, 588582, 621281, 686679, 1242562, 1373358, 1863843, 2060037, 3727686, 4120074, 4348967, 5591529, 8697934, 11183058, 13046901, 26093802, 39140703, 78281406]

約数ペア:

[(1, 78281406), (2, 39140703), (3, 26093802), (6, 13046901), (7, 11183058), (9, 8697934), (14, 5591529), (18, 4348967), (19, 4120074), (21, 3727686), (38, 2060037), (42, 1863843), (57, 1373358), (63, 1242562), (114, 686679), (126, 621281), (133, 588582), (171, 457786), (266, 294291), (342, 228893), (361, 216846), (399, 196194), (722, 108423), (798, 98097), (1083, 72282), (1197, 65398), (1721, 45486), (2166, 36141), (2394, 32699), (2527, 30978), (3249, 24094), (3442, 22743), (5054, 15489), (5163, 15162), (6498, 12047), (7581, 10326)]