664602672

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{728731}}^1$

素因数の和:728761

約数の個数: 40

約数和(自身を含む): 1807255360

約数和(自身を除く): 1142652688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 728731, 1457462, 2186193, 2914924, 4372386, 5829848, 8744772, 11659696, 13845889, 17489544, 27691778, 34979088, 41537667, 55383556, 83075334, 110767112, 166150668, 221534224, 332301336, 664602672]

約数ペア:

[(1, 664602672), (2, 332301336), (3, 221534224), (4, 166150668), (6, 110767112), (8, 83075334), (12, 55383556), (16, 41537667), (19, 34979088), (24, 27691778), (38, 17489544), (48, 13845889), (57, 11659696), (76, 8744772), (114, 5829848), (152, 4372386), (228, 2914924), (304, 2186193), (456, 1457462), (912, 728731)]