161788616

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{397}}^1\times {\mathrm{421}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 335072220

約数和(自身を除く): 173283604

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 397, 421, 484, 794, 842, 968, 1588, 1684, 3176, 3368, 4367, 4631, 8734, 9262, 17468, 18524, 34936, 37048, 48037, 50941, 96074, 101882, 167137, 192148, 203764, 334274, 384296, 407528, 668548, 1337096, 1838507, 3677014, 7354028, 14708056, 20223577, 40447154, 80894308, 161788616]

約数ペア:

[(1, 161788616), (2, 80894308), (4, 40447154), (8, 20223577), (11, 14708056), (22, 7354028), (44, 3677014), (88, 1838507), (121, 1337096), (242, 668548), (397, 407528), (421, 384296), (484, 334274), (794, 203764), (842, 192148), (968, 167137), (1588, 101882), (1684, 96074), (3176, 50941), (3368, 48037), (4367, 37048), (4631, 34936), (8734, 18524), (9262, 17468)]