31640868

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{1993}}^1$

素因数の和:2023

約数の個数: 90

約数和(自身を含む): 96268326

約数和(自身を除く): 64627458

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1323, 1764, 1993, 2268, 2646, 3969, 3986, 5292, 5979, 7938, 7972, 11958, 13951, 15876, 17937, 23916, 27902, 35874, 41853, 53811, 55804, 71748, 83706, 97657, 107622, 125559, 161433, 167412, 195314, 215244, 251118, 292971, 322866, 376677, 390628, 502236, 585942, 645732, 753354, 878913, 1130031, 1171884, 1506708, 1757826, 2260062, 2636739, 3515652, 4520124, 5273478, 7910217, 10546956, 15820434, 31640868]

約数ペア:

[(1, 31640868), (2, 15820434), (3, 10546956), (4, 7910217), (6, 5273478), (7, 4520124), (9, 3515652), (12, 2636739), (14, 2260062), (18, 1757826), (21, 1506708), (27, 1171884), (28, 1130031), (36, 878913), (42, 753354), (49, 645732), (54, 585942), (63, 502236), (81, 390628), (84, 376677), (98, 322866), (108, 292971), (126, 251118), (147, 215244), (162, 195314), (189, 167412), (196, 161433), (252, 125559), (294, 107622), (324, 97657), (378, 83706), (441, 71748), (567, 55804), (588, 53811), (756, 41853), (882, 35874), (1134, 27902), (1323, 23916), (1764, 17937), (1993, 15876), (2268, 13951), (2646, 11958), (3969, 7972), (3986, 7938), (5292, 5979)]