31909272

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 85108320

約数和(自身を除く): 53199048

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 197, 204, 394, 397, 408, 591, 788, 794, 1182, 1191, 1576, 1588, 2364, 2382, 3176, 3349, 4728, 4764, 6698, 6749, 9528, 10047, 13396, 13498, 20094, 20247, 26792, 26996, 40188, 40494, 53992, 78209, 80376, 80988, 156418, 161976, 234627, 312836, 469254, 625672, 938508, 1329553, 1877016, 2659106, 3988659, 5318212, 7977318, 10636424, 15954636, 31909272]

約数ペア:

[(1, 31909272), (2, 15954636), (3, 10636424), (4, 7977318), (6, 5318212), (8, 3988659), (12, 2659106), (17, 1877016), (24, 1329553), (34, 938508), (51, 625672), (68, 469254), (102, 312836), (136, 234627), (197, 161976), (204, 156418), (394, 80988), (397, 80376), (408, 78209), (591, 53992), (788, 40494), (794, 40188), (1182, 26996), (1191, 26792), (1576, 20247), (1588, 20094), (2364, 13498), (2382, 13396), (3176, 10047), (3349, 9528), (4728, 6749), (4764, 6698)]