129412458

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:561

約数の個数: 128

約数和(自身を含む): 356044800

約数和(自身を除く): 226632342

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 37, 38, 42, 54, 57, 63, 74, 111, 114, 126, 133, 171, 189, 222, 259, 266, 333, 342, 378, 399, 487, 513, 518, 666, 703, 777, 798, 974, 999, 1026, 1197, 1406, 1461, 1554, 1998, 2109, 2331, 2394, 2922, 3409, 3591, 4218, 4383, 4662, 4921, 6327, 6818, 6993, 7182, 8766, 9253, 9842, 10227, 12654, 13149, 13986, 14763, 18019, 18506, 18981, 20454, 26298, 27759, 29526, 30681, 36038, 37962, 44289, 54057, 55518, 61362, 64771, 83277, 88578, 92043, 108114, 126133, 129542, 132867, 162171, 166554, 184086, 194313, 249831, 252266, 265734, 324342, 342361, 378399, 388626, 486513, 499662, 582939, 684722, 756798, 973026, 1027083, 1135197, 1165878, 1748817, 2054166, 2270394, 2396527, 3081249, 3405591, 3497634, 4793054, 6162498, 6811182, 7189581, 9243747, 14379162, 18487494, 21568743, 43137486, 64706229, 129412458]

約数ペア:

[(1, 129412458), (2, 64706229), (3, 43137486), (6, 21568743), (7, 18487494), (9, 14379162), (14, 9243747), (18, 7189581), (19, 6811182), (21, 6162498), (27, 4793054), (37, 3497634), (38, 3405591), (42, 3081249), (54, 2396527), (57, 2270394), (63, 2054166), (74, 1748817), (111, 1165878), (114, 1135197), (126, 1027083), (133, 973026), (171, 756798), (189, 684722), (222, 582939), (259, 499662), (266, 486513), (333, 388626), (342, 378399), (378, 342361), (399, 324342), (487, 265734), (513, 252266), (518, 249831), (666, 194313), (703, 184086), (777, 166554), (798, 162171), (974, 132867), (999, 129542), (1026, 126133), (1197, 108114), (1406, 92043), (1461, 88578), (1554, 83277), (1998, 64771), (2109, 61362), (2331, 55518), (2394, 54057), (2922, 44289), (3409, 37962), (3591, 36038), (4218, 30681), (4383, 29526), (4662, 27759), (4921, 26298), (6327, 20454), (6818, 18981), (6993, 18506), (7182, 18019), (8766, 14763), (9253, 13986), (9842, 13149), (10227, 12654)]