42991025

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{971}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 69424128

約数和(自身を除く): 26433103

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 115, 161, 175, 253, 275, 385, 575, 805, 971, 1265, 1771, 1925, 4025, 4855, 6325, 6797, 8855, 10681, 22333, 24275, 33985, 44275, 53405, 74767, 111665, 156331, 169925, 245663, 267025, 373835, 558325, 781655, 1228315, 1719641, 1869175, 3908275, 6141575, 8598205, 42991025]

約数ペア:

[(1, 42991025), (5, 8598205), (7, 6141575), (11, 3908275), (23, 1869175), (25, 1719641), (35, 1228315), (55, 781655), (77, 558325), (115, 373835), (161, 267025), (175, 245663), (253, 169925), (275, 156331), (385, 111665), (575, 74767), (805, 53405), (971, 44275), (1265, 33985), (1771, 24275), (1925, 22333), (4025, 10681), (4855, 8855), (6325, 6797)]