221444465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1453}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 309038976

約数和(自身を除く): 87594511

約数列:

[1, 5, 11, 17, 55, 85, 163, 187, 815, 935, 1453, 1793, 2771, 7265, 8965, 13855, 15983, 24701, 30481, 79915, 123505, 152405, 236839, 271711, 1184195, 1358555, 2605229, 4026263, 13026145, 20131315, 44288893, 221444465]

約数ペア:

[(1, 221444465), (5, 44288893), (11, 20131315), (17, 13026145), (55, 4026263), (85, 2605229), (163, 1358555), (187, 1184195), (815, 271711), (935, 236839), (1453, 152405), (1793, 123505), (2771, 79915), (7265, 30481), (8965, 24701), (13855, 15983)]