28931370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2393}}^1$

素因数の和:2447

約数の個数: 64

約数和(自身を含む): 77220864

約数和(自身を除く): 48289494

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2393, 2418, 4030, 4786, 6045, 7179, 11965, 12090, 14358, 23930, 31109, 35895, 62218, 71790, 74183, 93327, 148366, 155545, 186654, 222549, 311090, 370915, 445098, 466635, 741830, 933270, 964379, 1112745, 1928758, 2225490, 2893137, 4821895, 5786274, 9643790, 14465685, 28931370]

約数ペア:

[(1, 28931370), (2, 14465685), (3, 9643790), (5, 5786274), (6, 4821895), (10, 2893137), (13, 2225490), (15, 1928758), (26, 1112745), (30, 964379), (31, 933270), (39, 741830), (62, 466635), (65, 445098), (78, 370915), (93, 311090), (130, 222549), (155, 186654), (186, 155545), (195, 148366), (310, 93327), (390, 74183), (403, 71790), (465, 62218), (806, 35895), (930, 31109), (1209, 23930), (2015, 14358), (2393, 12090), (2418, 11965), (4030, 7179), (4786, 6045)]