646746984

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1657}}^1$

素因数の和:1824

約数の個数: 128

約数和(自身を含む): 1949808000

約数和(自身を除く): 1303061016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 139, 156, 216, 234, 278, 312, 351, 417, 468, 556, 702, 834, 936, 1112, 1251, 1404, 1657, 1668, 1807, 2502, 2808, 3314, 3336, 3614, 3753, 4971, 5004, 5421, 6628, 7228, 7506, 9942, 10008, 10842, 13256, 14456, 14913, 15012, 16263, 19884, 21541, 21684, 29826, 30024, 32526, 39768, 43082, 43368, 44739, 48789, 59652, 64623, 65052, 86164, 89478, 97578, 119304, 129246, 130104, 172328, 178956, 193869, 195156, 230323, 258492, 357912, 387738, 390312, 460646, 516984, 581607, 690969, 775476, 921292, 1163214, 1381938, 1550952, 1842584, 2072907, 2326428, 2763876, 2994199, 4145814, 4652856, 5527752, 5988398, 6218721, 8291628, 8982597, 11976796, 12437442, 16583256, 17965194, 23953592, 24874884, 26947791, 35930388, 49749768, 53895582, 71860776, 80843373, 107791164, 161686746, 215582328, 323373492, 646746984]

約数ペア:

[(1, 646746984), (2, 323373492), (3, 215582328), (4, 161686746), (6, 107791164), (8, 80843373), (9, 71860776), (12, 53895582), (13, 49749768), (18, 35930388), (24, 26947791), (26, 24874884), (27, 23953592), (36, 17965194), (39, 16583256), (52, 12437442), (54, 11976796), (72, 8982597), (78, 8291628), (104, 6218721), (108, 5988398), (117, 5527752), (139, 4652856), (156, 4145814), (216, 2994199), (234, 2763876), (278, 2326428), (312, 2072907), (351, 1842584), (417, 1550952), (468, 1381938), (556, 1163214), (702, 921292), (834, 775476), (936, 690969), (1112, 581607), (1251, 516984), (1404, 460646), (1657, 390312), (1668, 387738), (1807, 357912), (2502, 258492), (2808, 230323), (3314, 195156), (3336, 193869), (3614, 178956), (3753, 172328), (4971, 130104), (5004, 129246), (5421, 119304), (6628, 97578), (7228, 89478), (7506, 86164), (9942, 65052), (10008, 64623), (10842, 59652), (13256, 48789), (14456, 44739), (14913, 43368), (15012, 43082), (16263, 39768), (19884, 32526), (21541, 30024), (21684, 29826)]