72345308

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 148313088

約数和(自身を除く): 75967780

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 151, 241, 284, 302, 482, 497, 604, 964, 994, 1057, 1687, 1988, 2114, 3374, 4228, 6748, 10721, 17111, 21442, 34222, 36391, 42884, 68444, 72782, 75047, 119777, 145564, 150094, 239554, 254737, 300188, 479108, 509474, 1018948, 2583761, 5167522, 10335044, 18086327, 36172654, 72345308]

約数ペア:

[(1, 72345308), (2, 36172654), (4, 18086327), (7, 10335044), (14, 5167522), (28, 2583761), (71, 1018948), (142, 509474), (151, 479108), (241, 300188), (284, 254737), (302, 239554), (482, 150094), (497, 145564), (604, 119777), (964, 75047), (994, 72782), (1057, 68444), (1687, 42884), (1988, 36391), (2114, 34222), (3374, 21442), (4228, 17111), (6748, 10721)]