1913900072

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{25639}}^1$

素因数の和:25726

約数の個数: 64

約数和(自身を含む): 4332134400

約数和(自身を除く): 2418234328

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 43, 56, 62, 86, 124, 172, 217, 248, 301, 344, 434, 602, 868, 1204, 1333, 1736, 2408, 2666, 5332, 9331, 10664, 18662, 25639, 37324, 51278, 74648, 102556, 179473, 205112, 358946, 717892, 794809, 1102477, 1435784, 1589618, 2204954, 3179236, 4409908, 5563663, 6358472, 7717339, 8819816, 11127326, 15434678, 22254652, 30869356, 34176787, 44509304, 61738712, 68353574, 136707148, 239237509, 273414296, 478475018, 956950036, 1913900072]

約数ペア:

[(1, 1913900072), (2, 956950036), (4, 478475018), (7, 273414296), (8, 239237509), (14, 136707148), (28, 68353574), (31, 61738712), (43, 44509304), (56, 34176787), (62, 30869356), (86, 22254652), (124, 15434678), (172, 11127326), (217, 8819816), (248, 7717339), (301, 6358472), (344, 5563663), (434, 4409908), (602, 3179236), (868, 2204954), (1204, 1589618), (1333, 1435784), (1736, 1102477), (2408, 794809), (2666, 717892), (5332, 358946), (9331, 205112), (10664, 179473), (18662, 102556), (25639, 74648), (37324, 51278)]