397494896

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{42179}}^1$

素因数の和:42237

約数の個数: 40

約数和(自身を含む): 836851200

約数和(自身を除く): 439356304

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 42179, 84358, 168716, 337432, 674864, 801401, 1307549, 1602802, 2615098, 3205604, 5230196, 6411208, 10460392, 12822416, 20920784, 24843431, 49686862, 99373724, 198747448, 397494896]

約数ペア:

[(1, 397494896), (2, 198747448), (4, 99373724), (8, 49686862), (16, 24843431), (19, 20920784), (31, 12822416), (38, 10460392), (62, 6411208), (76, 5230196), (124, 3205604), (152, 2615098), (248, 1602802), (304, 1307549), (496, 801401), (589, 674864), (1178, 337432), (2356, 168716), (4712, 84358), (9424, 42179)]