128220392

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 265446720

約数和(自身を除く): 137226328

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 83, 136, 148, 166, 296, 307, 332, 614, 629, 664, 1228, 1258, 1411, 2456, 2516, 2822, 3071, 5032, 5219, 5644, 6142, 10438, 11288, 11359, 12284, 20876, 22718, 24568, 25481, 41752, 45436, 50962, 52207, 90872, 101924, 104414, 193103, 203848, 208828, 386206, 417656, 433177, 772412, 866354, 942797, 1544824, 1732708, 1885594, 3465416, 3771188, 7542376, 16027549, 32055098, 64110196, 128220392]

約数ペア:

[(1, 128220392), (2, 64110196), (4, 32055098), (8, 16027549), (17, 7542376), (34, 3771188), (37, 3465416), (68, 1885594), (74, 1732708), (83, 1544824), (136, 942797), (148, 866354), (166, 772412), (296, 433177), (307, 417656), (332, 386206), (614, 208828), (629, 203848), (664, 193103), (1228, 104414), (1258, 101924), (1411, 90872), (2456, 52207), (2516, 50962), (2822, 45436), (3071, 41752), (5032, 25481), (5219, 24568), (5644, 22718), (6142, 20876), (10438, 12284), (11288, 11359)]