2009689038

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{78571}}^1$

素因数の和:78622

約数の個数: 72

約数和(自身を含む): 5239966680

約数和(自身を除く): 3230277642

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 49, 58, 63, 87, 98, 126, 147, 174, 203, 261, 294, 406, 441, 522, 609, 882, 1218, 1421, 1827, 2842, 3654, 4263, 8526, 12789, 25578, 78571, 157142, 235713, 471426, 549997, 707139, 1099994, 1414278, 1649991, 2278559, 3299982, 3849979, 4557118, 4949973, 6835677, 7699958, 9899946, 11549937, 13671354, 15949913, 20507031, 23099874, 31899826, 34649811, 41014062, 47849739, 69299622, 95699478, 111649391, 143549217, 223298782, 287098434, 334948173, 669896346, 1004844519, 2009689038]

約数ペア:

[(1, 2009689038), (2, 1004844519), (3, 669896346), (6, 334948173), (7, 287098434), (9, 223298782), (14, 143549217), (18, 111649391), (21, 95699478), (29, 69299622), (42, 47849739), (49, 41014062), (58, 34649811), (63, 31899826), (87, 23099874), (98, 20507031), (126, 15949913), (147, 13671354), (174, 11549937), (203, 9899946), (261, 7699958), (294, 6835677), (406, 4949973), (441, 4557118), (522, 3849979), (609, 3299982), (882, 2278559), (1218, 1649991), (1421, 1414278), (1827, 1099994), (2842, 707139), (3654, 549997), (4263, 471426), (8526, 235713), (12789, 157142), (25578, 78571)]