28876302

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 83140512

約数和(自身を除く): 54264210

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 34, 39, 42, 51, 61, 63, 78, 91, 102, 117, 119, 122, 126, 153, 182, 183, 221, 234, 238, 273, 289, 306, 357, 366, 427, 442, 546, 549, 578, 663, 714, 793, 819, 854, 867, 1037, 1071, 1098, 1281, 1326, 1547, 1586, 1638, 1734, 1989, 2023, 2074, 2142, 2379, 2562, 2601, 3094, 3111, 3757, 3843, 3978, 4046, 4641, 4758, 5202, 5551, 6069, 6222, 7137, 7259, 7514, 7686, 9282, 9333, 11102, 11271, 12138, 13481, 13923, 14274, 14518, 16653, 17629, 18207, 18666, 21777, 22542, 26299, 26962, 27846, 33306, 33813, 35258, 36414, 40443, 43554, 49959, 52598, 52887, 65331, 67626, 78897, 80886, 94367, 99918, 105774, 121329, 123403, 130662, 157794, 158661, 188734, 229177, 236691, 242658, 246806, 283101, 317322, 370209, 458354, 473382, 566202, 687531, 740418, 849303, 1110627, 1375062, 1604239, 1698606, 2062593, 2221254, 3208478, 4125186, 4812717, 9625434, 14438151, 28876302]

約数ペア:

[(1, 28876302), (2, 14438151), (3, 9625434), (6, 4812717), (7, 4125186), (9, 3208478), (13, 2221254), (14, 2062593), (17, 1698606), (18, 1604239), (21, 1375062), (26, 1110627), (34, 849303), (39, 740418), (42, 687531), (51, 566202), (61, 473382), (63, 458354), (78, 370209), (91, 317322), (102, 283101), (117, 246806), (119, 242658), (122, 236691), (126, 229177), (153, 188734), (182, 158661), (183, 157794), (221, 130662), (234, 123403), (238, 121329), (273, 105774), (289, 99918), (306, 94367), (357, 80886), (366, 78897), (427, 67626), (442, 65331), (546, 52887), (549, 52598), (578, 49959), (663, 43554), (714, 40443), (793, 36414), (819, 35258), (854, 33813), (867, 33306), (1037, 27846), (1071, 26962), (1098, 26299), (1281, 22542), (1326, 21777), (1547, 18666), (1586, 18207), (1638, 17629), (1734, 16653), (1989, 14518), (2023, 14274), (2074, 13923), (2142, 13481), (2379, 12138), (2562, 11271), (2601, 11102), (3094, 9333), (3111, 9282), (3757, 7686), (3843, 7514), (3978, 7259), (4046, 7137), (4641, 6222), (4758, 6069), (5202, 5551)]