38478505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 52164000

約数和(自身を除く): 13685495

約数列:

[1, 5, 13, 29, 65, 137, 145, 149, 377, 685, 745, 1781, 1885, 1937, 3973, 4321, 8905, 9685, 19865, 20413, 21605, 51649, 56173, 102065, 258245, 265369, 280865, 591977, 1326845, 2959885, 7695701, 38478505]

約数ペア:

[(1, 38478505), (5, 7695701), (13, 2959885), (29, 1326845), (65, 591977), (137, 280865), (145, 265369), (149, 258245), (377, 102065), (685, 56173), (745, 51649), (1781, 21605), (1885, 20413), (1937, 19865), (3973, 9685), (4321, 8905)]