28399572

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:179

約数の個数: 120

約数和(自身を含む): 80336256

約数和(自身を除く): 51936684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 37, 46, 54, 69, 74, 81, 92, 103, 108, 111, 138, 148, 162, 206, 207, 222, 276, 309, 324, 333, 412, 414, 444, 618, 621, 666, 828, 851, 927, 999, 1236, 1242, 1332, 1702, 1854, 1863, 1998, 2369, 2484, 2553, 2781, 2997, 3404, 3708, 3726, 3811, 3996, 4738, 5106, 5562, 5994, 7107, 7452, 7622, 7659, 8343, 9476, 10212, 11124, 11433, 11988, 14214, 15244, 15318, 16686, 21321, 22866, 22977, 28428, 30636, 33372, 34299, 42642, 45732, 45954, 63963, 68598, 68931, 85284, 87653, 91908, 102897, 127926, 137196, 137862, 175306, 191889, 205794, 255852, 262959, 275724, 308691, 350612, 383778, 411588, 525918, 617382, 767556, 788877, 1051836, 1234764, 1577754, 2366631, 3155508, 4733262, 7099893, 9466524, 14199786, 28399572]

約数ペア:

[(1, 28399572), (2, 14199786), (3, 9466524), (4, 7099893), (6, 4733262), (9, 3155508), (12, 2366631), (18, 1577754), (23, 1234764), (27, 1051836), (36, 788877), (37, 767556), (46, 617382), (54, 525918), (69, 411588), (74, 383778), (81, 350612), (92, 308691), (103, 275724), (108, 262959), (111, 255852), (138, 205794), (148, 191889), (162, 175306), (206, 137862), (207, 137196), (222, 127926), (276, 102897), (309, 91908), (324, 87653), (333, 85284), (412, 68931), (414, 68598), (444, 63963), (618, 45954), (621, 45732), (666, 42642), (828, 34299), (851, 33372), (927, 30636), (999, 28428), (1236, 22977), (1242, 22866), (1332, 21321), (1702, 16686), (1854, 15318), (1863, 15244), (1998, 14214), (2369, 11988), (2484, 11433), (2553, 11124), (2781, 10212), (2997, 9476), (3404, 8343), (3708, 7659), (3726, 7622), (3811, 7452), (3996, 7107), (4738, 5994), (5106, 5562)]