417721479

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 695439360

約数和(自身を除く): 277717881

約数列:

[1, 3, 7, 19, 21, 43, 57, 97, 129, 133, 251, 291, 301, 399, 679, 753, 817, 903, 1757, 1843, 2037, 2451, 4171, 4769, 5271, 5529, 5719, 10793, 12513, 12901, 14307, 17157, 24347, 29197, 32379, 33383, 38703, 73041, 75551, 79249, 87591, 100149, 170429, 205067, 226653, 237747, 462593, 511287, 554743, 615201, 1046921, 1387779, 1435469, 1664229, 3140763, 3238151, 4306407, 7328447, 9714453, 19891499, 21985341, 59674497, 139240493, 417721479]

約数ペア:

[(1, 417721479), (3, 139240493), (7, 59674497), (19, 21985341), (21, 19891499), (43, 9714453), (57, 7328447), (97, 4306407), (129, 3238151), (133, 3140763), (251, 1664229), (291, 1435469), (301, 1387779), (399, 1046921), (679, 615201), (753, 554743), (817, 511287), (903, 462593), (1757, 237747), (1843, 226653), (2037, 205067), (2451, 170429), (4171, 100149), (4769, 87591), (5271, 79249), (5529, 75551), (5719, 73041), (10793, 38703), (12513, 33383), (12901, 32379), (14307, 29197), (17157, 24347)]