128430828

素因数分解:

$2^2\times 3^2\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 331387056

約数和(自身を除く): 202956228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 113, 131, 226, 241, 262, 339, 393, 452, 482, 524, 678, 723, 786, 964, 1017, 1179, 1356, 1446, 1572, 2034, 2169, 2358, 2892, 4068, 4338, 4716, 8676, 14803, 27233, 29606, 31571, 44409, 54466, 59212, 63142, 81699, 88818, 94713, 108932, 126284, 133227, 163398, 177636, 189426, 245097, 266454, 284139, 326796, 378852, 490194, 532908, 568278, 980388, 1136556, 3567523, 7135046, 10702569, 14270092, 21405138, 32107707, 42810276, 64215414, 128430828]

約数ペア:

[(1, 128430828), (2, 64215414), (3, 42810276), (4, 32107707), (6, 21405138), (9, 14270092), (12, 10702569), (18, 7135046), (36, 3567523), (113, 1136556), (131, 980388), (226, 568278), (241, 532908), (262, 490194), (339, 378852), (393, 326796), (452, 284139), (482, 266454), (524, 245097), (678, 189426), (723, 177636), (786, 163398), (964, 133227), (1017, 126284), (1179, 108932), (1356, 94713), (1446, 88818), (1572, 81699), (2034, 63142), (2169, 59212), (2358, 54466), (2892, 44409), (4068, 31571), (4338, 29606), (4716, 27233), (8676, 14803)]