28911996

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1055

約数の個数: 72

約数和(自身を含む): 78798720

約数和(自身を除く): 49886724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 43, 57, 76, 86, 114, 129, 171, 172, 228, 258, 342, 387, 516, 684, 774, 817, 983, 1548, 1634, 1966, 2451, 2949, 3268, 3932, 4902, 5898, 7353, 8847, 9804, 11796, 14706, 17694, 18677, 29412, 35388, 37354, 42269, 56031, 74708, 84538, 112062, 126807, 168093, 169076, 224124, 253614, 336186, 380421, 507228, 672372, 760842, 803111, 1521684, 1606222, 2409333, 3212444, 4818666, 7227999, 9637332, 14455998, 28911996]

約数ペア:

[(1, 28911996), (2, 14455998), (3, 9637332), (4, 7227999), (6, 4818666), (9, 3212444), (12, 2409333), (18, 1606222), (19, 1521684), (36, 803111), (38, 760842), (43, 672372), (57, 507228), (76, 380421), (86, 336186), (114, 253614), (129, 224124), (171, 169076), (172, 168093), (228, 126807), (258, 112062), (342, 84538), (387, 74708), (516, 56031), (684, 42269), (774, 37354), (817, 35388), (983, 29412), (1548, 18677), (1634, 17694), (1966, 14706), (2451, 11796), (2949, 9804), (3268, 8847), (3932, 7353), (4902, 5898)]