38778775

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 58014144

約数和(自身を除く): 19235369

約数列:

[1, 5, 7, 25, 35, 37, 53, 113, 175, 185, 259, 265, 371, 565, 791, 925, 1295, 1325, 1855, 1961, 2825, 3955, 4181, 5989, 6475, 9275, 9805, 13727, 19775, 20905, 29267, 29945, 41923, 49025, 68635, 104525, 146335, 149725, 209615, 221593, 343175, 731675, 1048075, 1107965, 1551151, 5539825, 7755755, 38778775]

約数ペア:

[(1, 38778775), (5, 7755755), (7, 5539825), (25, 1551151), (35, 1107965), (37, 1048075), (53, 731675), (113, 343175), (175, 221593), (185, 209615), (259, 149725), (265, 146335), (371, 104525), (565, 68635), (791, 49025), (925, 41923), (1295, 29945), (1325, 29267), (1855, 20905), (1961, 19775), (2825, 13727), (3955, 9805), (4181, 9275), (5989, 6475)]