31266290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 64945152

約数和(自身を除く): 33678862

約数列:

[1, 2, 5, 10, 11, 22, 31, 53, 55, 62, 106, 110, 155, 173, 265, 310, 341, 346, 530, 583, 682, 865, 1166, 1643, 1705, 1730, 1903, 2915, 3286, 3410, 3806, 5363, 5830, 8215, 9169, 9515, 10726, 16430, 18073, 18338, 19030, 26815, 36146, 45845, 53630, 58993, 90365, 91690, 100859, 117986, 180730, 201718, 284239, 294965, 504295, 568478, 589930, 1008590, 1421195, 2842390, 3126629, 6253258, 15633145, 31266290]

約数ペア:

[(1, 31266290), (2, 15633145), (5, 6253258), (10, 3126629), (11, 2842390), (22, 1421195), (31, 1008590), (53, 589930), (55, 568478), (62, 504295), (106, 294965), (110, 284239), (155, 201718), (173, 180730), (265, 117986), (310, 100859), (341, 91690), (346, 90365), (530, 58993), (583, 53630), (682, 45845), (865, 36146), (1166, 26815), (1643, 19030), (1705, 18338), (1730, 18073), (1903, 16430), (2915, 10726), (3286, 9515), (3410, 9169), (3806, 8215), (5363, 5830)]