326321996

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 800808960

約数和(自身を除く): 474486964

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 31, 44, 52, 62, 77, 91, 121, 124, 143, 154, 182, 217, 239, 242, 286, 308, 341, 364, 403, 434, 478, 484, 572, 682, 806, 847, 868, 956, 1001, 1364, 1573, 1612, 1673, 1694, 2002, 2387, 2629, 2821, 3107, 3146, 3346, 3388, 3751, 4004, 4433, 4774, 5258, 5642, 6214, 6292, 6692, 7409, 7502, 8866, 9548, 10516, 11011, 11284, 12428, 14818, 15004, 17732, 18403, 21749, 22022, 26257, 28919, 29636, 31031, 34177, 36806, 43498, 44044, 48763, 51863, 52514, 57838, 62062, 68354, 73612, 81499, 86996, 96317, 97526, 103726, 105028, 115676, 124124, 136708, 162998, 192634, 195052, 202433, 207452, 239239, 325996, 341341, 375947, 385268, 404866, 478478, 570493, 674219, 682682, 751894, 809732, 896489, 956956, 1059487, 1140986, 1348438, 1365364, 1503788, 1792978, 2118974, 2281972, 2631629, 2696876, 3585956, 4237948, 5263258, 6275423, 7416409, 10526516, 11654357, 12550846, 14832818, 23308714, 25101692, 29665636, 46617428, 81580499, 163160998, 326321996]

約数ペア:

[(1, 326321996), (2, 163160998), (4, 81580499), (7, 46617428), (11, 29665636), (13, 25101692), (14, 23308714), (22, 14832818), (26, 12550846), (28, 11654357), (31, 10526516), (44, 7416409), (52, 6275423), (62, 5263258), (77, 4237948), (91, 3585956), (121, 2696876), (124, 2631629), (143, 2281972), (154, 2118974), (182, 1792978), (217, 1503788), (239, 1365364), (242, 1348438), (286, 1140986), (308, 1059487), (341, 956956), (364, 896489), (403, 809732), (434, 751894), (478, 682682), (484, 674219), (572, 570493), (682, 478478), (806, 404866), (847, 385268), (868, 375947), (956, 341341), (1001, 325996), (1364, 239239), (1573, 207452), (1612, 202433), (1673, 195052), (1694, 192634), (2002, 162998), (2387, 136708), (2629, 124124), (2821, 115676), (3107, 105028), (3146, 103726), (3346, 97526), (3388, 96317), (3751, 86996), (4004, 81499), (4433, 73612), (4774, 68354), (5258, 62062), (5642, 57838), (6214, 52514), (6292, 51863), (6692, 48763), (7409, 44044), (7502, 43498), (8866, 36806), (9548, 34177), (10516, 31031), (11011, 29636), (11284, 28919), (12428, 26257), (14818, 22022), (15004, 21749), (17732, 18403)]