66911830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 135146880

約数和(自身を除く): 68235050

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 109, 115, 157, 170, 218, 230, 314, 391, 545, 782, 785, 1090, 1570, 1853, 1955, 2507, 2669, 3611, 3706, 3910, 5014, 5338, 7222, 9265, 12535, 13345, 17113, 18055, 18530, 25070, 26690, 34226, 36110, 42619, 61387, 85238, 85565, 122774, 171130, 213095, 290921, 306935, 393599, 426190, 581842, 613870, 787198, 1454605, 1967995, 2909210, 3935990, 6691183, 13382366, 33455915, 66911830]

約数ペア:

[(1, 66911830), (2, 33455915), (5, 13382366), (10, 6691183), (17, 3935990), (23, 2909210), (34, 1967995), (46, 1454605), (85, 787198), (109, 613870), (115, 581842), (157, 426190), (170, 393599), (218, 306935), (230, 290921), (314, 213095), (391, 171130), (545, 122774), (782, 85565), (785, 85238), (1090, 61387), (1570, 42619), (1853, 36110), (1955, 34226), (2507, 26690), (2669, 25070), (3611, 18530), (3706, 18055), (3910, 17113), (5014, 13345), (5338, 12535), (7222, 9265)]