28153668

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 71091552

約数和(自身を除く): 42937884

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 67, 76, 97, 114, 134, 194, 201, 228, 268, 291, 361, 388, 402, 582, 722, 804, 1083, 1164, 1273, 1444, 1843, 2166, 2546, 3686, 3819, 4332, 5092, 5529, 6499, 7372, 7638, 11058, 12998, 15276, 19497, 22116, 24187, 25996, 35017, 38994, 48374, 70034, 72561, 77988, 96748, 105051, 123481, 140068, 145122, 210102, 246962, 290244, 370443, 420204, 493924, 740886, 1481772, 2346139, 4692278, 7038417, 9384556, 14076834, 28153668]

約数ペア:

[(1, 28153668), (2, 14076834), (3, 9384556), (4, 7038417), (6, 4692278), (12, 2346139), (19, 1481772), (38, 740886), (57, 493924), (67, 420204), (76, 370443), (97, 290244), (114, 246962), (134, 210102), (194, 145122), (201, 140068), (228, 123481), (268, 105051), (291, 96748), (361, 77988), (388, 72561), (402, 70034), (582, 48374), (722, 38994), (804, 35017), (1083, 25996), (1164, 24187), (1273, 22116), (1444, 19497), (1843, 15276), (2166, 12998), (2546, 11058), (3686, 7638), (3819, 7372), (4332, 6499), (5092, 5529)]