221277496

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1487}}^1$

素因数の和:1612

約数の個数: 64

約数和(自身を含む): 482112000

約数和(自身を除く): 260834504

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 89, 152, 178, 209, 356, 418, 712, 836, 979, 1487, 1672, 1691, 1958, 2974, 3382, 3916, 5948, 6764, 7832, 11896, 13528, 16357, 18601, 28253, 32714, 37202, 56506, 65428, 74404, 113012, 130856, 132343, 148808, 226024, 264686, 310783, 529372, 621566, 1058744, 1243132, 1455773, 2486264, 2514517, 2911546, 5029034, 5823092, 10058068, 11646184, 20116136, 27659687, 55319374, 110638748, 221277496]

約数ペア:

[(1, 221277496), (2, 110638748), (4, 55319374), (8, 27659687), (11, 20116136), (19, 11646184), (22, 10058068), (38, 5823092), (44, 5029034), (76, 2911546), (88, 2514517), (89, 2486264), (152, 1455773), (178, 1243132), (209, 1058744), (356, 621566), (418, 529372), (712, 310783), (836, 264686), (979, 226024), (1487, 148808), (1672, 132343), (1691, 130856), (1958, 113012), (2974, 74404), (3382, 65428), (3916, 56506), (5948, 37202), (6764, 32714), (7832, 28253), (11896, 18601), (13528, 16357)]