221438994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1\times {\mathrm{241}}^1$

素因数の和:551

約数の個数: 64

約数和(自身を含む): 515192832

約数和(自身を除く): 293753838

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 131, 167, 241, 262, 334, 393, 482, 501, 723, 786, 917, 1002, 1169, 1446, 1687, 1834, 2338, 2751, 3374, 3507, 5061, 5502, 7014, 10122, 21877, 31571, 40247, 43754, 63142, 65631, 80494, 94713, 120741, 131262, 153139, 189426, 220997, 241482, 281729, 306278, 441994, 459417, 563458, 662991, 845187, 918834, 1325982, 1690374, 5272357, 10544714, 15817071, 31634142, 36906499, 73812998, 110719497, 221438994]

約数ペア:

[(1, 221438994), (2, 110719497), (3, 73812998), (6, 36906499), (7, 31634142), (14, 15817071), (21, 10544714), (42, 5272357), (131, 1690374), (167, 1325982), (241, 918834), (262, 845187), (334, 662991), (393, 563458), (482, 459417), (501, 441994), (723, 306278), (786, 281729), (917, 241482), (1002, 220997), (1169, 189426), (1446, 153139), (1687, 131262), (1834, 120741), (2338, 94713), (2751, 80494), (3374, 65631), (3507, 63142), (5061, 43754), (5502, 40247), (7014, 31571), (10122, 21877)]