28315224

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:390

約数の個数: 128

約数和(自身を含む): 91660800

約数和(自身を除く): 63345576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 61, 63, 72, 84, 108, 122, 126, 168, 183, 189, 216, 244, 252, 307, 366, 378, 427, 488, 504, 549, 614, 732, 756, 854, 921, 1098, 1228, 1281, 1464, 1512, 1647, 1708, 1842, 2149, 2196, 2456, 2562, 2763, 3294, 3416, 3684, 3843, 4298, 4392, 5124, 5526, 6447, 6588, 7368, 7686, 8289, 8596, 10248, 11052, 11529, 12894, 13176, 15372, 16578, 17192, 18727, 19341, 22104, 23058, 25788, 30744, 33156, 37454, 38682, 46116, 51576, 56181, 58023, 66312, 74908, 77364, 92232, 112362, 116046, 131089, 149816, 154728, 168543, 224724, 232092, 262178, 337086, 393267, 449448, 464184, 505629, 524356, 674172, 786534, 1011258, 1048712, 1179801, 1348344, 1573068, 2022516, 2359602, 3146136, 3539403, 4045032, 4719204, 7078806, 9438408, 14157612, 28315224]

約数ペア:

[(1, 28315224), (2, 14157612), (3, 9438408), (4, 7078806), (6, 4719204), (7, 4045032), (8, 3539403), (9, 3146136), (12, 2359602), (14, 2022516), (18, 1573068), (21, 1348344), (24, 1179801), (27, 1048712), (28, 1011258), (36, 786534), (42, 674172), (54, 524356), (56, 505629), (61, 464184), (63, 449448), (72, 393267), (84, 337086), (108, 262178), (122, 232092), (126, 224724), (168, 168543), (183, 154728), (189, 149816), (216, 131089), (244, 116046), (252, 112362), (307, 92232), (366, 77364), (378, 74908), (427, 66312), (488, 58023), (504, 56181), (549, 51576), (614, 46116), (732, 38682), (756, 37454), (854, 33156), (921, 30744), (1098, 25788), (1228, 23058), (1281, 22104), (1464, 19341), (1512, 18727), (1647, 17192), (1708, 16578), (1842, 15372), (2149, 13176), (2196, 12894), (2456, 11529), (2562, 11052), (2763, 10248), (3294, 8596), (3416, 8289), (3684, 7686), (3843, 7368), (4298, 6588), (4392, 6447), (5124, 5526)]