217715652

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{78541}}^1$

素因数の和:78569

約数の個数: 72

約数和(自身を含む): 686142912

約数和(自身を除く): 468427260

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 78541, 157082, 235623, 314164, 471246, 549787, 706869, 863951, 942492, 1099574, 1413738, 1649361, 1727902, 2199148, 2591853, 2827476, 3298722, 3455804, 4948083, 5183706, 6047657, 6597444, 7775559, 9896166, 10367412, 12095314, 15551118, 18142971, 19792332, 24190628, 31102236, 36285942, 54428913, 72571884, 108857826, 217715652]

約数ペア:

[(1, 217715652), (2, 108857826), (3, 72571884), (4, 54428913), (6, 36285942), (7, 31102236), (9, 24190628), (11, 19792332), (12, 18142971), (14, 15551118), (18, 12095314), (21, 10367412), (22, 9896166), (28, 7775559), (33, 6597444), (36, 6047657), (42, 5183706), (44, 4948083), (63, 3455804), (66, 3298722), (77, 2827476), (84, 2591853), (99, 2199148), (126, 1727902), (132, 1649361), (154, 1413738), (198, 1099574), (231, 942492), (252, 863951), (308, 706869), (396, 549787), (462, 471246), (693, 314164), (924, 235623), (1386, 157082), (2772, 78541)]