1331897872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1373}}^1\times {\mathrm{3191}}^1$

素因数の和:4591

約数の個数: 40

約数和(自身を含む): 2719200960

約数和(自身を除く): 1387303088

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1373, 2746, 3191, 5492, 6382, 10984, 12764, 21968, 25528, 26087, 51056, 52174, 60629, 104348, 121258, 208696, 242516, 417392, 485032, 970064, 4381243, 8762486, 17524972, 35049944, 70099888, 83243617, 166487234, 332974468, 665948936, 1331897872]

約数ペア:

[(1, 1331897872), (2, 665948936), (4, 332974468), (8, 166487234), (16, 83243617), (19, 70099888), (38, 35049944), (76, 17524972), (152, 8762486), (304, 4381243), (1373, 970064), (2746, 485032), (3191, 417392), (5492, 242516), (6382, 208696), (10984, 121258), (12764, 104348), (21968, 60629), (25528, 52174), (26087, 51056)]