28748330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 59754240

約数和(自身を除く): 31005910

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 103, 113, 130, 190, 206, 226, 247, 494, 515, 565, 1030, 1130, 1235, 1339, 1469, 1957, 2147, 2470, 2678, 2938, 3914, 4294, 6695, 7345, 9785, 10735, 11639, 13390, 14690, 19570, 21470, 23278, 25441, 27911, 50882, 55822, 58195, 116390, 127205, 139555, 151307, 221141, 254410, 279110, 302614, 442282, 756535, 1105705, 1513070, 2211410, 2874833, 5749666, 14374165, 28748330]

約数ペア:

[(1, 28748330), (2, 14374165), (5, 5749666), (10, 2874833), (13, 2211410), (19, 1513070), (26, 1105705), (38, 756535), (65, 442282), (95, 302614), (103, 279110), (113, 254410), (130, 221141), (190, 151307), (206, 139555), (226, 127205), (247, 116390), (494, 58195), (515, 55822), (565, 50882), (1030, 27911), (1130, 25441), (1235, 23278), (1339, 21470), (1469, 19570), (1957, 14690), (2147, 13390), (2470, 11639), (2678, 10735), (2938, 9785), (3914, 7345), (4294, 6695)]