8728888

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 20295360

約数和(自身を除く): 11566472

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 53, 56, 68, 106, 119, 136, 173, 212, 238, 346, 371, 424, 476, 692, 742, 901, 952, 1211, 1384, 1484, 1802, 2422, 2941, 2968, 3604, 4844, 5882, 6307, 7208, 9169, 9688, 11764, 12614, 18338, 20587, 23528, 25228, 36676, 41174, 50456, 64183, 73352, 82348, 128366, 155873, 164696, 256732, 311746, 513464, 623492, 1091111, 1246984, 2182222, 4364444, 8728888]

約数ペア:

[(1, 8728888), (2, 4364444), (4, 2182222), (7, 1246984), (8, 1091111), (14, 623492), (17, 513464), (28, 311746), (34, 256732), (53, 164696), (56, 155873), (68, 128366), (106, 82348), (119, 73352), (136, 64183), (173, 50456), (212, 41174), (238, 36676), (346, 25228), (371, 23528), (424, 20587), (476, 18338), (692, 12614), (742, 11764), (901, 9688), (952, 9169), (1211, 7208), (1384, 6307), (1484, 5882), (1802, 4844), (2422, 3604), (2941, 2968)]