31457118

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 81554688

約数和(自身を除く): 50097570

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 71, 77, 98, 137, 142, 147, 154, 213, 231, 274, 294, 411, 426, 462, 497, 539, 781, 822, 959, 994, 1078, 1491, 1507, 1562, 1617, 1918, 2343, 2877, 2982, 3014, 3234, 3479, 4521, 4686, 5467, 5754, 6713, 6958, 9042, 9727, 10437, 10549, 10934, 13426, 16401, 19454, 20139, 20874, 21098, 29181, 31647, 32802, 38269, 40278, 58362, 63294, 68089, 73843, 76538, 106997, 114807, 136178, 147686, 204267, 213994, 221529, 229614, 320991, 408534, 443058, 476623, 641982, 748979, 953246, 1429869, 1497958, 2246937, 2859738, 4493874, 5242853, 10485706, 15728559, 31457118]

約数ペア:

[(1, 31457118), (2, 15728559), (3, 10485706), (6, 5242853), (7, 4493874), (11, 2859738), (14, 2246937), (21, 1497958), (22, 1429869), (33, 953246), (42, 748979), (49, 641982), (66, 476623), (71, 443058), (77, 408534), (98, 320991), (137, 229614), (142, 221529), (147, 213994), (154, 204267), (213, 147686), (231, 136178), (274, 114807), (294, 106997), (411, 76538), (426, 73843), (462, 68089), (497, 63294), (539, 58362), (781, 40278), (822, 38269), (959, 32802), (994, 31647), (1078, 29181), (1491, 21098), (1507, 20874), (1562, 20139), (1617, 19454), (1918, 16401), (2343, 13426), (2877, 10934), (2982, 10549), (3014, 10437), (3234, 9727), (3479, 9042), (4521, 6958), (4686, 6713), (5467, 5754)]