161914428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 470870400

約数和(自身を除く): 308955972

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 131, 139, 156, 171, 228, 234, 247, 262, 278, 342, 393, 417, 468, 494, 524, 556, 684, 741, 786, 834, 988, 1179, 1251, 1482, 1572, 1668, 1703, 1807, 2223, 2358, 2489, 2502, 2641, 2964, 3406, 3614, 4446, 4716, 4978, 5004, 5109, 5282, 5421, 6812, 7228, 7467, 7923, 8892, 9956, 10218, 10564, 10842, 14934, 15327, 15846, 16263, 18209, 20436, 21684, 22401, 23769, 29868, 30654, 31692, 32357, 32526, 34333, 36418, 44802, 47538, 54627, 61308, 64714, 65052, 68666, 72836, 89604, 95076, 97071, 102999, 109254, 129428, 137332, 163881, 194142, 205998, 218508, 236717, 291213, 308997, 327762, 345971, 388284, 411996, 473434, 582426, 617994, 655524, 691942, 710151, 946868, 1037913, 1164852, 1235988, 1383884, 1420302, 2075826, 2130453, 2840604, 3113739, 4151652, 4260906, 4497623, 6227478, 8521812, 8995246, 12454956, 13492869, 17990492, 26985738, 40478607, 53971476, 80957214, 161914428]

約数ペア:

[(1, 161914428), (2, 80957214), (3, 53971476), (4, 40478607), (6, 26985738), (9, 17990492), (12, 13492869), (13, 12454956), (18, 8995246), (19, 8521812), (26, 6227478), (36, 4497623), (38, 4260906), (39, 4151652), (52, 3113739), (57, 2840604), (76, 2130453), (78, 2075826), (114, 1420302), (117, 1383884), (131, 1235988), (139, 1164852), (156, 1037913), (171, 946868), (228, 710151), (234, 691942), (247, 655524), (262, 617994), (278, 582426), (342, 473434), (393, 411996), (417, 388284), (468, 345971), (494, 327762), (524, 308997), (556, 291213), (684, 236717), (741, 218508), (786, 205998), (834, 194142), (988, 163881), (1179, 137332), (1251, 129428), (1482, 109254), (1572, 102999), (1668, 97071), (1703, 95076), (1807, 89604), (2223, 72836), (2358, 68666), (2489, 65052), (2502, 64714), (2641, 61308), (2964, 54627), (3406, 47538), (3614, 44802), (4446, 36418), (4716, 34333), (4978, 32526), (5004, 32357), (5109, 31692), (5282, 30654), (5421, 29868), (6812, 23769), (7228, 22401), (7467, 21684), (7923, 20436), (8892, 18209), (9956, 16263), (10218, 15846), (10564, 15327), (10842, 14934)]