28998788

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:649

約数の個数: 72

約数和(自身を含む): 67032000

約数和(自身を除く): 38033212

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 364, 494, 532, 599, 637, 931, 988, 1198, 1274, 1729, 1862, 2396, 2548, 3458, 3724, 4193, 6916, 7787, 8386, 11381, 12103, 15574, 16772, 22762, 24206, 29351, 31148, 45524, 48412, 54509, 58702, 79667, 109018, 117404, 147953, 159334, 218036, 295906, 318668, 381563, 557669, 591812, 763126, 1035671, 1115338, 1526252, 2071342, 2230676, 4142684, 7249697, 14499394, 28998788]

約数ペア:

[(1, 28998788), (2, 14499394), (4, 7249697), (7, 4142684), (13, 2230676), (14, 2071342), (19, 1526252), (26, 1115338), (28, 1035671), (38, 763126), (49, 591812), (52, 557669), (76, 381563), (91, 318668), (98, 295906), (133, 218036), (182, 159334), (196, 147953), (247, 117404), (266, 109018), (364, 79667), (494, 58702), (532, 54509), (599, 48412), (637, 45524), (931, 31148), (988, 29351), (1198, 24206), (1274, 22762), (1729, 16772), (1862, 15574), (2396, 12103), (2548, 11381), (3458, 8386), (3724, 7787), (4193, 6916)]