13901390

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 25734240

約数和(自身を除く): 11832850

約数列:

[1, 2, 5, 10, 73, 137, 139, 146, 274, 278, 365, 685, 695, 730, 1370, 1390, 10001, 10147, 19043, 20002, 20294, 38086, 50005, 50735, 95215, 100010, 101470, 190430, 1390139, 2780278, 6950695, 13901390]

約数ペア:

[(1, 13901390), (2, 6950695), (5, 2780278), (10, 1390139), (73, 190430), (137, 101470), (139, 100010), (146, 95215), (274, 50735), (278, 50005), (365, 38086), (685, 20294), (695, 20002), (730, 19043), (1370, 10147), (1390, 10001)]