198906358

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 373248000

約数和(自身を除く): 174341642

約数列:

[1, 2, 7, 14, 17, 34, 71, 79, 119, 142, 149, 158, 238, 298, 497, 553, 994, 1043, 1106, 1207, 1343, 2086, 2414, 2533, 2686, 5066, 5609, 8449, 9401, 10579, 11218, 11771, 16898, 17731, 18802, 21158, 23542, 35462, 39263, 74053, 78526, 82397, 95353, 148106, 164794, 179843, 190706, 200107, 359686, 400214, 667471, 835741, 1258901, 1334942, 1400749, 1671482, 2517802, 2801498, 5850187, 11700374, 14207597, 28415194, 99453179, 198906358]

約数ペア:

[(1, 198906358), (2, 99453179), (7, 28415194), (14, 14207597), (17, 11700374), (34, 5850187), (71, 2801498), (79, 2517802), (119, 1671482), (142, 1400749), (149, 1334942), (158, 1258901), (238, 835741), (298, 667471), (497, 400214), (553, 359686), (994, 200107), (1043, 190706), (1106, 179843), (1207, 164794), (1343, 148106), (2086, 95353), (2414, 82397), (2533, 78526), (2686, 74053), (5066, 39263), (5609, 35462), (8449, 23542), (9401, 21158), (10579, 18802), (11218, 17731), (11771, 16898)]