161229908

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 355622400

約数和(自身を除く): 194392492

約数列:

[1, 2, 4, 7, 14, 23, 28, 29, 46, 58, 89, 92, 97, 116, 161, 178, 194, 203, 322, 356, 388, 406, 623, 644, 667, 679, 812, 1246, 1334, 1358, 2047, 2231, 2492, 2581, 2668, 2716, 2813, 4094, 4462, 4669, 5162, 5626, 8188, 8633, 8924, 9338, 10324, 11252, 14329, 15617, 17266, 18067, 18676, 19691, 28658, 31234, 34532, 36134, 39382, 57316, 59363, 60431, 62468, 64699, 72268, 78764, 118726, 120862, 129398, 198559, 237452, 241724, 250357, 258796, 397118, 415541, 452893, 500714, 794236, 831082, 905786, 1001428, 1389913, 1662164, 1752499, 1811572, 2779826, 3504998, 5559652, 5758211, 7009996, 11516422, 23032844, 40307477, 80614954, 161229908]

約数ペア:

[(1, 161229908), (2, 80614954), (4, 40307477), (7, 23032844), (14, 11516422), (23, 7009996), (28, 5758211), (29, 5559652), (46, 3504998), (58, 2779826), (89, 1811572), (92, 1752499), (97, 1662164), (116, 1389913), (161, 1001428), (178, 905786), (194, 831082), (203, 794236), (322, 500714), (356, 452893), (388, 415541), (406, 397118), (623, 258796), (644, 250357), (667, 241724), (679, 237452), (812, 198559), (1246, 129398), (1334, 120862), (1358, 118726), (2047, 78764), (2231, 72268), (2492, 64699), (2581, 62468), (2668, 60431), (2716, 59363), (2813, 57316), (4094, 39382), (4462, 36134), (4669, 34532), (5162, 31234), (5626, 28658), (8188, 19691), (8633, 18676), (8924, 18067), (9338, 17266), (10324, 15617), (11252, 14329)]