164605428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{643}}^1$

素因数の和:1213

約数の個数: 72

約数和(自身を含む): 449609888

約数和(自身を除く): 285004460

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 547, 643, 1094, 1286, 1641, 1929, 2188, 2572, 3282, 3858, 4923, 5787, 6564, 7111, 7716, 8359, 9846, 11574, 14222, 16718, 19692, 21333, 23148, 25077, 28444, 33436, 42666, 50154, 63999, 75231, 85332, 100308, 127998, 150462, 255996, 300924, 351721, 703442, 1055163, 1406884, 2110326, 3165489, 4220652, 4572373, 6330978, 9144746, 12661956, 13717119, 18289492, 27434238, 41151357, 54868476, 82302714, 164605428]

約数ペア:

[(1, 164605428), (2, 82302714), (3, 54868476), (4, 41151357), (6, 27434238), (9, 18289492), (12, 13717119), (13, 12661956), (18, 9144746), (26, 6330978), (36, 4572373), (39, 4220652), (52, 3165489), (78, 2110326), (117, 1406884), (156, 1055163), (234, 703442), (468, 351721), (547, 300924), (643, 255996), (1094, 150462), (1286, 127998), (1641, 100308), (1929, 85332), (2188, 75231), (2572, 63999), (3282, 50154), (3858, 42666), (4923, 33436), (5787, 28444), (6564, 25077), (7111, 23148), (7716, 21333), (8359, 19692), (9846, 16718), (11574, 14222)]