266616584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{461}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 554178240

約数和(自身を除く): 287561656

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 83, 104, 134, 166, 268, 332, 461, 536, 664, 871, 922, 1079, 1742, 1844, 2158, 3484, 3688, 4316, 5561, 5993, 6968, 8632, 11122, 11986, 22244, 23972, 30887, 38263, 44488, 47944, 61774, 72293, 76526, 123548, 144586, 153052, 247096, 289172, 306104, 401531, 497419, 578344, 803062, 994838, 1606124, 1989676, 2563621, 3212248, 3979352, 5127242, 10254484, 20508968, 33327073, 66654146, 133308292, 266616584]

約数ペア:

[(1, 266616584), (2, 133308292), (4, 66654146), (8, 33327073), (13, 20508968), (26, 10254484), (52, 5127242), (67, 3979352), (83, 3212248), (104, 2563621), (134, 1989676), (166, 1606124), (268, 994838), (332, 803062), (461, 578344), (536, 497419), (664, 401531), (871, 306104), (922, 289172), (1079, 247096), (1742, 153052), (1844, 144586), (2158, 123548), (3484, 76526), (3688, 72293), (4316, 61774), (5561, 47944), (5993, 44488), (6968, 38263), (8632, 30887), (11122, 23972), (11986, 22244)]