28942472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 62563200

約数和(自身を除く): 33620728

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 97, 104, 151, 152, 194, 247, 302, 388, 494, 604, 776, 988, 1208, 1261, 1843, 1963, 1976, 2522, 2869, 3686, 3926, 5044, 5738, 7372, 7852, 10088, 11476, 14647, 14744, 15704, 22952, 23959, 29294, 37297, 47918, 58588, 74594, 95836, 117176, 149188, 190411, 191672, 278293, 298376, 380822, 556586, 761644, 1113172, 1523288, 2226344, 3617809, 7235618, 14471236, 28942472]

約数ペア:

[(1, 28942472), (2, 14471236), (4, 7235618), (8, 3617809), (13, 2226344), (19, 1523288), (26, 1113172), (38, 761644), (52, 556586), (76, 380822), (97, 298376), (104, 278293), (151, 191672), (152, 190411), (194, 149188), (247, 117176), (302, 95836), (388, 74594), (494, 58588), (604, 47918), (776, 37297), (988, 29294), (1208, 23959), (1261, 22952), (1843, 15704), (1963, 14744), (1976, 14647), (2522, 11476), (2869, 10088), (3686, 7852), (3926, 7372), (5044, 5738)]