208896890

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1\times {\mathrm{647}}^1$

素因数の和:1126

約数の個数: 32

約数和(自身を含む): 382112640

約数和(自身を除く): 173215750

約数列:

[1, 2, 5, 10, 83, 166, 389, 415, 647, 778, 830, 1294, 1945, 3235, 3890, 6470, 32287, 53701, 64574, 107402, 161435, 251683, 268505, 322870, 503366, 537010, 1258415, 2516830, 20889689, 41779378, 104448445, 208896890]

約数ペア:

[(1, 208896890), (2, 104448445), (5, 41779378), (10, 20889689), (83, 2516830), (166, 1258415), (389, 537010), (415, 503366), (647, 322870), (778, 268505), (830, 251683), (1294, 161435), (1945, 107402), (3235, 64574), (3890, 53701), (6470, 32287)]