71372018

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 122750880

約数和(自身を除く): 51378862

約数列:

[1, 2, 17, 19, 34, 38, 67, 97, 134, 194, 289, 323, 578, 646, 1139, 1273, 1649, 1843, 2278, 2546, 3298, 3686, 5491, 6499, 10982, 12998, 19363, 21641, 28033, 31331, 38726, 43282, 56066, 62662, 110483, 123481, 220966, 246962, 367897, 532627, 735794, 1065254, 1878211, 2099177, 3756422, 4198354, 35686009, 71372018]

約数ペア:

[(1, 71372018), (2, 35686009), (17, 4198354), (19, 3756422), (34, 2099177), (38, 1878211), (67, 1065254), (97, 735794), (134, 532627), (194, 367897), (289, 246962), (323, 220966), (578, 123481), (646, 110483), (1139, 62662), (1273, 56066), (1649, 43282), (1843, 38726), (2278, 31331), (2546, 28033), (3298, 21641), (3686, 19363), (5491, 12998), (6499, 10982)]