164400496

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{373}}^1$

素因数の和:570

約数の個数: 60

約数和(自身を含む): 347959128

約数和(自身を除く): 183558632

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 163, 169, 208, 326, 338, 373, 652, 676, 746, 1304, 1352, 1492, 2119, 2608, 2704, 2984, 4238, 4849, 5968, 8476, 9698, 16952, 19396, 27547, 33904, 38792, 55094, 60799, 63037, 77584, 110188, 121598, 126074, 220376, 243196, 252148, 440752, 486392, 504296, 790387, 972784, 1008592, 1580774, 3161548, 6323096, 10275031, 12646192, 20550062, 41100124, 82200248, 164400496]

約数ペア:

[(1, 164400496), (2, 82200248), (4, 41100124), (8, 20550062), (13, 12646192), (16, 10275031), (26, 6323096), (52, 3161548), (104, 1580774), (163, 1008592), (169, 972784), (208, 790387), (326, 504296), (338, 486392), (373, 440752), (652, 252148), (676, 243196), (746, 220376), (1304, 126074), (1352, 121598), (1492, 110188), (2119, 77584), (2608, 63037), (2704, 60799), (2984, 55094), (4238, 38792), (4849, 33904), (5968, 27547), (8476, 19396), (9698, 16952)]