203172016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{21559}}^1$

素因数の和:21617

約数の個数: 40

約数和(自身を含む): 427750400

約数和(自身を除く): 224578384

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 21559, 43118, 86236, 172472, 344944, 409621, 668329, 819242, 1336658, 1638484, 2673316, 3276968, 5346632, 6553936, 10693264, 12698251, 25396502, 50793004, 101586008, 203172016]

約数ペア:

[(1, 203172016), (2, 101586008), (4, 50793004), (8, 25396502), (16, 12698251), (19, 10693264), (31, 6553936), (38, 5346632), (62, 3276968), (76, 2673316), (124, 1638484), (152, 1336658), (248, 819242), (304, 668329), (496, 409621), (589, 344944), (1178, 172472), (2356, 86236), (4712, 43118), (9424, 21559)]