308749441

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 426323520

約数和(自身を除く): 117574079

約数列:

[1, 7, 11, 13, 49, 77, 91, 139, 143, 317, 539, 637, 973, 1001, 1529, 1807, 2219, 3487, 4121, 6811, 7007, 10703, 12649, 15533, 19877, 24409, 28847, 44063, 45331, 74921, 88543, 139139, 170863, 201929, 308441, 317317, 484693, 572819, 973973, 2159087, 2221219, 3392851, 4009733, 6301009, 23749957, 28068131, 44107063, 308749441]

約数ペア:

[(1, 308749441), (7, 44107063), (11, 28068131), (13, 23749957), (49, 6301009), (77, 4009733), (91, 3392851), (139, 2221219), (143, 2159087), (317, 973973), (539, 572819), (637, 484693), (973, 317317), (1001, 308441), (1529, 201929), (1807, 170863), (2219, 139139), (3487, 88543), (4121, 74921), (6811, 45331), (7007, 44063), (10703, 28847), (12649, 24409), (15533, 19877)]