689724

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:64

約数の個数: 108

約数和(自身を含む): 2240784

約数和(自身を除く): 1551060

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 23, 28, 34, 36, 42, 46, 49, 51, 63, 68, 69, 84, 92, 98, 102, 119, 126, 138, 147, 153, 161, 196, 204, 207, 238, 252, 276, 294, 306, 322, 357, 391, 414, 441, 476, 483, 588, 612, 644, 714, 782, 828, 833, 882, 966, 1071, 1127, 1173, 1428, 1449, 1564, 1666, 1764, 1932, 2142, 2254, 2346, 2499, 2737, 2898, 3332, 3381, 3519, 4284, 4508, 4692, 4998, 5474, 5796, 6762, 7038, 7497, 8211, 9996, 10143, 10948, 13524, 14076, 14994, 16422, 19159, 20286, 24633, 29988, 32844, 38318, 40572, 49266, 57477, 76636, 98532, 114954, 172431, 229908, 344862, 689724]

約数ペア:

[(1, 689724), (2, 344862), (3, 229908), (4, 172431), (6, 114954), (7, 98532), (9, 76636), (12, 57477), (14, 49266), (17, 40572), (18, 38318), (21, 32844), (23, 29988), (28, 24633), (34, 20286), (36, 19159), (42, 16422), (46, 14994), (49, 14076), (51, 13524), (63, 10948), (68, 10143), (69, 9996), (84, 8211), (92, 7497), (98, 7038), (102, 6762), (119, 5796), (126, 5474), (138, 4998), (147, 4692), (153, 4508), (161, 4284), (196, 3519), (204, 3381), (207, 3332), (238, 2898), (252, 2737), (276, 2499), (294, 2346), (306, 2254), (322, 2142), (357, 1932), (391, 1764), (414, 1666), (441, 1564), (476, 1449), (483, 1428), (588, 1173), (612, 1127), (644, 1071), (714, 966), (782, 882), (828, 833)]