287489916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{617}}^1$

素因数の和:720

約数の個数: 108

約数和(自身を含む): 851668272

約数和(自身を除く): 564178356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 617, 774, 903, 1204, 1234, 1548, 1806, 1849, 1851, 2468, 2709, 3612, 3698, 3702, 4319, 5418, 5547, 5553, 7396, 7404, 8638, 10836, 11094, 11106, 12943, 12957, 16641, 17276, 22188, 22212, 25886, 25914, 26531, 33282, 38829, 38871, 51772, 51828, 53062, 66564, 77658, 77742, 79593, 106124, 116487, 155316, 155484, 159186, 185717, 232974, 238779, 318372, 371434, 465948, 477558, 557151, 742868, 955116, 1114302, 1140833, 1671453, 2228604, 2281666, 3342906, 3422499, 4563332, 6685812, 6844998, 7985831, 10267497, 13689996, 15971662, 20534994, 23957493, 31943324, 41069988, 47914986, 71872479, 95829972, 143744958, 287489916]

約数ペア:

[(1, 287489916), (2, 143744958), (3, 95829972), (4, 71872479), (6, 47914986), (7, 41069988), (9, 31943324), (12, 23957493), (14, 20534994), (18, 15971662), (21, 13689996), (28, 10267497), (36, 7985831), (42, 6844998), (43, 6685812), (63, 4563332), (84, 3422499), (86, 3342906), (126, 2281666), (129, 2228604), (172, 1671453), (252, 1140833), (258, 1114302), (301, 955116), (387, 742868), (516, 557151), (602, 477558), (617, 465948), (774, 371434), (903, 318372), (1204, 238779), (1234, 232974), (1548, 185717), (1806, 159186), (1849, 155484), (1851, 155316), (2468, 116487), (2709, 106124), (3612, 79593), (3698, 77742), (3702, 77658), (4319, 66564), (5418, 53062), (5547, 51828), (5553, 51772), (7396, 38871), (7404, 38829), (8638, 33282), (10836, 26531), (11094, 25914), (11106, 25886), (12943, 22212), (12957, 22188), (16641, 17276)]