7218371517

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 11395399680

約数和(自身を除く): 4177028163

約数列:

[1, 3, 7, 21, 53, 127, 159, 223, 229, 371, 381, 669, 687, 889, 1113, 1561, 1603, 2667, 4683, 4809, 6731, 11819, 12137, 20193, 28321, 29083, 35457, 36411, 47117, 51067, 82733, 84959, 84963, 87249, 141351, 153201, 198247, 203581, 248199, 254877, 357469, 594741, 610743, 1072407, 1501013, 1541399, 2706551, 4503039, 4624197, 6485509, 8119653, 10507091, 10789793, 18945857, 19456527, 31521273, 32369379, 45398563, 56837571, 136195689, 343731977, 1031195931, 2406123839, 7218371517]

約数ペア:

[(1, 7218371517), (3, 2406123839), (7, 1031195931), (21, 343731977), (53, 136195689), (127, 56837571), (159, 45398563), (223, 32369379), (229, 31521273), (371, 19456527), (381, 18945857), (669, 10789793), (687, 10507091), (889, 8119653), (1113, 6485509), (1561, 4624197), (1603, 4503039), (2667, 2706551), (4683, 1541399), (4809, 1501013), (6731, 1072407), (11819, 610743), (12137, 594741), (20193, 357469), (28321, 254877), (29083, 248199), (35457, 203581), (36411, 198247), (47117, 153201), (51067, 141351), (82733, 87249), (84959, 84963)]