28229418

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 79626240

約数和(自身を除く): 51396822

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 23, 27, 34, 42, 46, 51, 54, 63, 69, 102, 119, 126, 138, 153, 161, 189, 191, 207, 238, 306, 322, 357, 378, 382, 391, 414, 459, 483, 573, 621, 714, 782, 918, 966, 1071, 1146, 1173, 1242, 1337, 1449, 1719, 2142, 2346, 2674, 2737, 2898, 3213, 3247, 3438, 3519, 4011, 4347, 4393, 5157, 5474, 6426, 6494, 7038, 8022, 8211, 8694, 8786, 9741, 10314, 10557, 12033, 13179, 16422, 19482, 21114, 22729, 24066, 24633, 26358, 29223, 30751, 36099, 39537, 45458, 49266, 58446, 61502, 68187, 72198, 73899, 74681, 79074, 87669, 92253, 118611, 136374, 147798, 149362, 175338, 184506, 204561, 224043, 237222, 276759, 409122, 448086, 522767, 553518, 613683, 672129, 830277, 1045534, 1227366, 1344258, 1568301, 1660554, 2016387, 3136602, 4032774, 4704903, 9409806, 14114709, 28229418]

約数ペア:

[(1, 28229418), (2, 14114709), (3, 9409806), (6, 4704903), (7, 4032774), (9, 3136602), (14, 2016387), (17, 1660554), (18, 1568301), (21, 1344258), (23, 1227366), (27, 1045534), (34, 830277), (42, 672129), (46, 613683), (51, 553518), (54, 522767), (63, 448086), (69, 409122), (102, 276759), (119, 237222), (126, 224043), (138, 204561), (153, 184506), (161, 175338), (189, 149362), (191, 147798), (207, 136374), (238, 118611), (306, 92253), (322, 87669), (357, 79074), (378, 74681), (382, 73899), (391, 72198), (414, 68187), (459, 61502), (483, 58446), (573, 49266), (621, 45458), (714, 39537), (782, 36099), (918, 30751), (966, 29223), (1071, 26358), (1146, 24633), (1173, 24066), (1242, 22729), (1337, 21114), (1449, 19482), (1719, 16422), (2142, 13179), (2346, 12033), (2674, 10557), (2737, 10314), (2898, 9741), (3213, 8786), (3247, 8694), (3438, 8211), (3519, 8022), (4011, 7038), (4347, 6494), (4393, 6426), (5157, 5474)]