201623508

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{661}}^1$

素因数の和:937

約数の個数: 72

約数和(自身を含む): 526515080

約数和(自身を除く): 324891572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 229, 333, 444, 458, 661, 666, 687, 916, 1322, 1332, 1374, 1983, 2061, 2644, 2748, 3966, 4122, 5949, 7932, 8244, 8473, 11898, 16946, 23796, 24457, 25419, 33892, 48914, 50838, 73371, 76257, 97828, 101676, 146742, 151369, 152514, 220113, 293484, 302738, 305028, 440226, 454107, 605476, 880452, 908214, 1362321, 1816428, 2724642, 5449284, 5600653, 11201306, 16801959, 22402612, 33603918, 50405877, 67207836, 100811754, 201623508]

約数ペア:

[(1, 201623508), (2, 100811754), (3, 67207836), (4, 50405877), (6, 33603918), (9, 22402612), (12, 16801959), (18, 11201306), (36, 5600653), (37, 5449284), (74, 2724642), (111, 1816428), (148, 1362321), (222, 908214), (229, 880452), (333, 605476), (444, 454107), (458, 440226), (661, 305028), (666, 302738), (687, 293484), (916, 220113), (1322, 152514), (1332, 151369), (1374, 146742), (1983, 101676), (2061, 97828), (2644, 76257), (2748, 73371), (3966, 50838), (4122, 48914), (5949, 33892), (7932, 25419), (8244, 24457), (8473, 23796), (11898, 16946)]