900986828

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{1667}}^1$

素因数の和:1974

約数の個数: 48

約数和(自身を含む): 1830796800

約数和(自身を除く): 929809972

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 199, 388, 398, 679, 796, 1358, 1393, 1667, 2716, 2786, 3334, 5572, 6668, 11669, 19303, 23338, 38606, 46676, 77212, 135121, 161699, 270242, 323398, 331733, 540484, 646796, 663466, 1131893, 1326932, 2263786, 2322131, 4527572, 4644262, 9288524, 32178101, 64356202, 128712404, 225246707, 450493414, 900986828]

約数ペア:

[(1, 900986828), (2, 450493414), (4, 225246707), (7, 128712404), (14, 64356202), (28, 32178101), (97, 9288524), (194, 4644262), (199, 4527572), (388, 2322131), (398, 2263786), (679, 1326932), (796, 1131893), (1358, 663466), (1393, 646796), (1667, 540484), (2716, 331733), (2786, 323398), (3334, 270242), (5572, 161699), (6668, 135121), (11669, 77212), (19303, 46676), (23338, 38606)]