381265456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2347}}^1$

素因数の和:2450

約数の個数: 80

約数和(自身を含む): 880443648

約数和(自身を除く): 499178192

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 71, 88, 104, 142, 143, 176, 208, 284, 286, 568, 572, 781, 923, 1136, 1144, 1562, 1846, 2288, 2347, 3124, 3692, 4694, 6248, 7384, 9388, 10153, 12496, 14768, 18776, 20306, 25817, 30511, 37552, 40612, 51634, 61022, 81224, 103268, 122044, 162448, 166637, 206536, 244088, 333274, 335621, 413072, 488176, 666548, 671242, 1333096, 1342484, 1833007, 2166281, 2666192, 2684968, 3666014, 4332562, 5369936, 7332028, 8665124, 14664056, 17330248, 23829091, 29328112, 34660496, 47658182, 95316364, 190632728, 381265456]

約数ペア:

[(1, 381265456), (2, 190632728), (4, 95316364), (8, 47658182), (11, 34660496), (13, 29328112), (16, 23829091), (22, 17330248), (26, 14664056), (44, 8665124), (52, 7332028), (71, 5369936), (88, 4332562), (104, 3666014), (142, 2684968), (143, 2666192), (176, 2166281), (208, 1833007), (284, 1342484), (286, 1333096), (568, 671242), (572, 666548), (781, 488176), (923, 413072), (1136, 335621), (1144, 333274), (1562, 244088), (1846, 206536), (2288, 166637), (2347, 162448), (3124, 122044), (3692, 103268), (4694, 81224), (6248, 61022), (7384, 51634), (9388, 40612), (10153, 37552), (12496, 30511), (14768, 25817), (18776, 20306)]