31579944

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 91601280

約数和(自身を除く): 60021336

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 37, 44, 53, 61, 66, 74, 88, 106, 111, 122, 132, 148, 159, 183, 212, 222, 244, 264, 296, 318, 366, 407, 424, 444, 488, 583, 636, 671, 732, 814, 888, 1166, 1221, 1272, 1342, 1464, 1628, 1749, 1961, 2013, 2257, 2332, 2442, 2684, 3233, 3256, 3498, 3922, 4026, 4514, 4664, 4884, 5368, 5883, 6466, 6771, 6996, 7844, 8052, 9028, 9699, 9768, 11766, 12932, 13542, 13992, 15688, 16104, 18056, 19398, 21571, 23532, 24827, 25864, 27084, 35563, 38796, 43142, 47064, 49654, 54168, 64713, 71126, 74481, 77592, 86284, 99308, 106689, 119621, 129426, 142252, 148962, 172568, 198616, 213378, 239242, 258852, 284504, 297924, 358863, 426756, 478484, 517704, 595848, 717726, 853512, 956968, 1315831, 1435452, 2631662, 2870904, 3947493, 5263324, 7894986, 10526648, 15789972, 31579944]

約数ペア:

[(1, 31579944), (2, 15789972), (3, 10526648), (4, 7894986), (6, 5263324), (8, 3947493), (11, 2870904), (12, 2631662), (22, 1435452), (24, 1315831), (33, 956968), (37, 853512), (44, 717726), (53, 595848), (61, 517704), (66, 478484), (74, 426756), (88, 358863), (106, 297924), (111, 284504), (122, 258852), (132, 239242), (148, 213378), (159, 198616), (183, 172568), (212, 148962), (222, 142252), (244, 129426), (264, 119621), (296, 106689), (318, 99308), (366, 86284), (407, 77592), (424, 74481), (444, 71126), (488, 64713), (583, 54168), (636, 49654), (671, 47064), (732, 43142), (814, 38796), (888, 35563), (1166, 27084), (1221, 25864), (1272, 24827), (1342, 23532), (1464, 21571), (1628, 19398), (1749, 18056), (1961, 16104), (2013, 15688), (2257, 13992), (2332, 13542), (2442, 12932), (2684, 11766), (3233, 9768), (3256, 9699), (3498, 9028), (3922, 8052), (4026, 7844), (4514, 6996), (4664, 6771), (4884, 6466), (5368, 5883)]