254993011

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 339628800

約数和(自身を除く): 84635789

約数列:

[1, 7, 13, 31, 37, 49, 91, 217, 259, 349, 403, 481, 637, 1147, 1519, 1813, 2443, 2821, 3367, 4537, 8029, 10819, 12913, 14911, 17101, 19747, 23569, 31759, 56203, 75733, 90391, 104377, 140647, 167869, 222313, 400303, 530131, 632737, 730639, 984529, 1175083, 2802121, 5203939, 6891703, 8225581, 19614847, 36427573, 254993011]

約数ペア:

[(1, 254993011), (7, 36427573), (13, 19614847), (31, 8225581), (37, 6891703), (49, 5203939), (91, 2802121), (217, 1175083), (259, 984529), (349, 730639), (403, 632737), (481, 530131), (637, 400303), (1147, 222313), (1519, 167869), (1813, 140647), (2443, 104377), (2821, 90391), (3367, 75733), (4537, 56203), (8029, 31759), (10819, 23569), (12913, 19747), (14911, 17101)]