989631916

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{17317}}^1$

素因数の和:17498

約数の個数: 48

約数和(自身を含む): 2145215296

約数和(自身を除く): 1155583380

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 157, 182, 314, 364, 628, 1099, 2041, 2198, 4082, 4396, 8164, 14287, 17317, 28574, 34634, 57148, 69268, 121219, 225121, 242438, 450242, 484876, 900484, 1575847, 2718769, 3151694, 5437538, 6303388, 10875076, 19031383, 35343997, 38062766, 70687994, 76125532, 141375988, 247407979, 494815958, 989631916]

約数ペア:

[(1, 989631916), (2, 494815958), (4, 247407979), (7, 141375988), (13, 76125532), (14, 70687994), (26, 38062766), (28, 35343997), (52, 19031383), (91, 10875076), (157, 6303388), (182, 5437538), (314, 3151694), (364, 2718769), (628, 1575847), (1099, 900484), (2041, 484876), (2198, 450242), (4082, 242438), (4396, 225121), (8164, 121219), (14287, 69268), (17317, 57148), (28574, 34634)]