215052012

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{3541}}^1$

素因数の和:3799

約数の個数: 72

約数和(自身を含む): 624015392

約数和(自身を除く): 408963380

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 241, 252, 482, 723, 964, 1446, 1687, 2169, 2892, 3374, 3541, 4338, 5061, 6748, 7082, 8676, 10122, 10623, 14164, 15183, 20244, 21246, 24787, 30366, 31869, 42492, 49574, 60732, 63738, 74361, 99148, 127476, 148722, 223083, 297444, 446166, 853381, 892332, 1706762, 2560143, 3413524, 5120286, 5973667, 7680429, 10240572, 11947334, 15360858, 17921001, 23894668, 30721716, 35842002, 53763003, 71684004, 107526006, 215052012]

約数ペア:

[(1, 215052012), (2, 107526006), (3, 71684004), (4, 53763003), (6, 35842002), (7, 30721716), (9, 23894668), (12, 17921001), (14, 15360858), (18, 11947334), (21, 10240572), (28, 7680429), (36, 5973667), (42, 5120286), (63, 3413524), (84, 2560143), (126, 1706762), (241, 892332), (252, 853381), (482, 446166), (723, 297444), (964, 223083), (1446, 148722), (1687, 127476), (2169, 99148), (2892, 74361), (3374, 63738), (3541, 60732), (4338, 49574), (5061, 42492), (6748, 31869), (7082, 30366), (8676, 24787), (10122, 21246), (10623, 20244), (14164, 15183)]