311289426

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:613

約数の個数: 128

約数和(自身を含む): 843264000

約数和(自身を除く): 531974574

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 89, 114, 126, 133, 171, 178, 189, 266, 267, 342, 378, 399, 487, 513, 534, 623, 798, 801, 974, 1026, 1197, 1246, 1461, 1602, 1691, 1869, 2394, 2403, 2922, 3382, 3409, 3591, 3738, 4383, 4806, 5073, 5607, 6818, 7182, 8766, 9253, 10146, 10227, 11214, 11837, 13149, 15219, 16821, 18506, 20454, 23674, 26298, 27759, 30438, 30681, 33642, 35511, 43343, 45657, 55518, 61362, 64771, 71022, 83277, 86686, 91314, 92043, 106533, 129542, 130029, 166554, 184086, 194313, 213066, 249831, 260058, 303401, 319599, 388626, 390087, 499662, 582939, 606802, 639198, 780174, 823517, 910203, 1165878, 1170261, 1647034, 1748817, 1820406, 2340522, 2470551, 2730609, 3497634, 4941102, 5461218, 5764619, 7411653, 8191827, 11529238, 14823306, 16383654, 17293857, 22234959, 34587714, 44469918, 51881571, 103763142, 155644713, 311289426]

約数ペア:

[(1, 311289426), (2, 155644713), (3, 103763142), (6, 51881571), (7, 44469918), (9, 34587714), (14, 22234959), (18, 17293857), (19, 16383654), (21, 14823306), (27, 11529238), (38, 8191827), (42, 7411653), (54, 5764619), (57, 5461218), (63, 4941102), (89, 3497634), (114, 2730609), (126, 2470551), (133, 2340522), (171, 1820406), (178, 1748817), (189, 1647034), (266, 1170261), (267, 1165878), (342, 910203), (378, 823517), (399, 780174), (487, 639198), (513, 606802), (534, 582939), (623, 499662), (798, 390087), (801, 388626), (974, 319599), (1026, 303401), (1197, 260058), (1246, 249831), (1461, 213066), (1602, 194313), (1691, 184086), (1869, 166554), (2394, 130029), (2403, 129542), (2922, 106533), (3382, 92043), (3409, 91314), (3591, 86686), (3738, 83277), (4383, 71022), (4806, 64771), (5073, 61362), (5607, 55518), (6818, 45657), (7182, 43343), (8766, 35511), (9253, 33642), (10146, 30681), (10227, 30438), (11214, 27759), (11837, 26298), (13149, 23674), (15219, 20454), (16821, 18506)]