154961716

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1089

約数の個数: 72

約数和(自身を含む): 345639336

約数和(自身を除く): 190677620

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 61, 91, 98, 122, 182, 196, 244, 364, 427, 637, 793, 854, 997, 1274, 1586, 1708, 1994, 2548, 2989, 3172, 3988, 5551, 5978, 6979, 11102, 11956, 12961, 13958, 22204, 25922, 27916, 38857, 48853, 51844, 60817, 77714, 90727, 97706, 121634, 155428, 181454, 195412, 243268, 362908, 425719, 635089, 790621, 851438, 1270178, 1581242, 1702876, 2540356, 2980033, 3162484, 5534347, 5960066, 11068694, 11920132, 22137388, 38740429, 77480858, 154961716]

約数ペア:

[(1, 154961716), (2, 77480858), (4, 38740429), (7, 22137388), (13, 11920132), (14, 11068694), (26, 5960066), (28, 5534347), (49, 3162484), (52, 2980033), (61, 2540356), (91, 1702876), (98, 1581242), (122, 1270178), (182, 851438), (196, 790621), (244, 635089), (364, 425719), (427, 362908), (637, 243268), (793, 195412), (854, 181454), (997, 155428), (1274, 121634), (1586, 97706), (1708, 90727), (1994, 77714), (2548, 60817), (2989, 51844), (3172, 48853), (3988, 38857), (5551, 27916), (5978, 25922), (6979, 22204), (11102, 13958), (11956, 12961)]