201721128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{15199}}^1$

素因数の和:15294

約数の個数: 64

約数和(自身を含む): 583680000

約数和(自身を除く): 381958872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 79, 84, 158, 168, 237, 316, 474, 553, 632, 948, 1106, 1659, 1896, 2212, 3318, 4424, 6636, 13272, 15199, 30398, 45597, 60796, 91194, 106393, 121592, 182388, 212786, 319179, 364776, 425572, 638358, 851144, 1200721, 1276716, 2401442, 2553432, 3602163, 4802884, 7204326, 8405047, 9605768, 14408652, 16810094, 25215141, 28817304, 33620188, 50430282, 67240376, 100860564, 201721128]

約数ペア:

[(1, 201721128), (2, 100860564), (3, 67240376), (4, 50430282), (6, 33620188), (7, 28817304), (8, 25215141), (12, 16810094), (14, 14408652), (21, 9605768), (24, 8405047), (28, 7204326), (42, 4802884), (56, 3602163), (79, 2553432), (84, 2401442), (158, 1276716), (168, 1200721), (237, 851144), (316, 638358), (474, 425572), (553, 364776), (632, 319179), (948, 212786), (1106, 182388), (1659, 121592), (1896, 106393), (2212, 91194), (3318, 60796), (4424, 45597), (6636, 30398), (13272, 15199)]