72128212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{587}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 145212480

約数和(自身を除く): 73084268

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 139, 221, 278, 442, 556, 587, 884, 1174, 1807, 2348, 2363, 3614, 4726, 7228, 7631, 9452, 9979, 15262, 19958, 30524, 30719, 39916, 61438, 81593, 122876, 129727, 163186, 259454, 326372, 518908, 1060709, 1387081, 2121418, 2774162, 4242836, 5548324, 18032053, 36064106, 72128212]

約数ペア:

[(1, 72128212), (2, 36064106), (4, 18032053), (13, 5548324), (17, 4242836), (26, 2774162), (34, 2121418), (52, 1387081), (68, 1060709), (139, 518908), (221, 326372), (278, 259454), (442, 163186), (556, 129727), (587, 122876), (884, 81593), (1174, 61438), (1807, 39916), (2348, 30719), (2363, 30524), (3614, 19958), (4726, 15262), (7228, 9979), (7631, 9452)]