1213645292

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{787}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 2271709440

約数和(自身を除く): 1058064148

約数列:

[1, 2, 4, 19, 38, 76, 103, 197, 206, 394, 412, 787, 788, 1574, 1957, 3148, 3743, 3914, 7486, 7828, 14953, 14972, 20291, 29906, 40582, 59812, 81061, 81164, 155039, 162122, 310078, 324244, 385529, 620156, 771058, 1540159, 1542116, 2945741, 3080318, 5891482, 6160636, 11782964, 15969017, 31938034, 63876068, 303411323, 606822646, 1213645292]

約数ペア:

[(1, 1213645292), (2, 606822646), (4, 303411323), (19, 63876068), (38, 31938034), (76, 15969017), (103, 11782964), (197, 6160636), (206, 5891482), (394, 3080318), (412, 2945741), (787, 1542116), (788, 1540159), (1574, 771058), (1957, 620156), (3148, 385529), (3743, 324244), (3914, 310078), (7486, 162122), (7828, 155039), (14953, 81164), (14972, 81061), (20291, 59812), (29906, 40582)]