12971218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 22176000

約数和(自身を除く): 9204782

約数列:

[1, 2, 13, 23, 26, 46, 109, 199, 218, 299, 398, 598, 1417, 2507, 2587, 2834, 4577, 5014, 5174, 9154, 21691, 32591, 43382, 59501, 65182, 119002, 281983, 498893, 563966, 997786, 6485609, 12971218]

約数ペア:

[(1, 12971218), (2, 6485609), (13, 997786), (23, 563966), (26, 498893), (46, 281983), (109, 119002), (199, 65182), (218, 59501), (299, 43382), (398, 32591), (598, 21691), (1417, 9154), (2507, 5174), (2587, 5014), (2834, 4577)]