31551884

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 96

約数和(自身を含む): 72912000

約数和(自身を除く): 41360116

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 49, 52, 58, 61, 91, 98, 116, 122, 182, 196, 203, 244, 343, 364, 377, 406, 427, 637, 686, 754, 793, 812, 854, 1274, 1372, 1421, 1508, 1586, 1708, 1769, 2548, 2639, 2842, 2989, 3172, 3538, 4459, 5278, 5551, 5684, 5978, 7076, 8918, 9947, 10556, 11102, 11956, 12383, 17836, 18473, 19894, 20923, 22204, 22997, 24766, 36946, 38857, 39788, 41846, 45994, 49532, 73892, 77714, 83692, 86681, 91988, 129311, 155428, 160979, 173362, 258622, 271999, 321958, 346724, 517244, 543998, 606767, 643916, 1087996, 1126853, 1213534, 2253706, 2427068, 4507412, 7887971, 15775942, 31551884]

約数ペア:

[(1, 31551884), (2, 15775942), (4, 7887971), (7, 4507412), (13, 2427068), (14, 2253706), (26, 1213534), (28, 1126853), (29, 1087996), (49, 643916), (52, 606767), (58, 543998), (61, 517244), (91, 346724), (98, 321958), (116, 271999), (122, 258622), (182, 173362), (196, 160979), (203, 155428), (244, 129311), (343, 91988), (364, 86681), (377, 83692), (406, 77714), (427, 73892), (637, 49532), (686, 45994), (754, 41846), (793, 39788), (812, 38857), (854, 36946), (1274, 24766), (1372, 22997), (1421, 22204), (1508, 20923), (1586, 19894), (1708, 18473), (1769, 17836), (2548, 12383), (2639, 11956), (2842, 11102), (2989, 10556), (3172, 9947), (3538, 8918), (4459, 7076), (5278, 5978), (5551, 5684)]