161495676

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{461}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 421765344

約数和(自身を除く): 260269668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 263, 333, 444, 461, 526, 666, 789, 922, 1052, 1332, 1383, 1578, 1844, 2367, 2766, 3156, 4149, 4734, 5532, 8298, 9468, 9731, 16596, 17057, 19462, 29193, 34114, 38924, 51171, 58386, 68228, 87579, 102342, 116772, 121243, 153513, 175158, 204684, 242486, 307026, 350316, 363729, 484972, 614052, 727458, 1091187, 1454916, 2182374, 4364748, 4485991, 8971982, 13457973, 17943964, 26915946, 40373919, 53831892, 80747838, 161495676]

約数ペア:

[(1, 161495676), (2, 80747838), (3, 53831892), (4, 40373919), (6, 26915946), (9, 17943964), (12, 13457973), (18, 8971982), (36, 4485991), (37, 4364748), (74, 2182374), (111, 1454916), (148, 1091187), (222, 727458), (263, 614052), (333, 484972), (444, 363729), (461, 350316), (526, 307026), (666, 242486), (789, 204684), (922, 175158), (1052, 153513), (1332, 121243), (1383, 116772), (1578, 102342), (1844, 87579), (2367, 68228), (2766, 58386), (3156, 51171), (4149, 38924), (4734, 34114), (5532, 29193), (8298, 19462), (9468, 17057), (9731, 16596)]