25987416

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 81553920

約数和(自身を除く): 55566504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 73, 78, 84, 91, 104, 146, 156, 163, 168, 182, 219, 273, 292, 312, 326, 364, 438, 489, 511, 546, 584, 652, 728, 876, 949, 978, 1022, 1092, 1141, 1304, 1533, 1752, 1898, 1956, 2044, 2119, 2184, 2282, 2847, 3066, 3423, 3796, 3912, 4088, 4238, 4564, 5694, 6132, 6357, 6643, 6846, 7592, 8476, 9128, 11388, 11899, 12264, 12714, 13286, 13692, 14833, 16952, 19929, 22776, 23798, 25428, 26572, 27384, 29666, 35697, 39858, 44499, 47596, 50856, 53144, 59332, 71394, 79716, 83293, 88998, 95192, 118664, 142788, 154687, 159432, 166586, 177996, 249879, 285576, 309374, 333172, 355992, 464061, 499758, 618748, 666344, 928122, 999516, 1082809, 1237496, 1856244, 1999032, 2165618, 3248427, 3712488, 4331236, 6496854, 8662472, 12993708, 25987416]

約数ペア:

[(1, 25987416), (2, 12993708), (3, 8662472), (4, 6496854), (6, 4331236), (7, 3712488), (8, 3248427), (12, 2165618), (13, 1999032), (14, 1856244), (21, 1237496), (24, 1082809), (26, 999516), (28, 928122), (39, 666344), (42, 618748), (52, 499758), (56, 464061), (73, 355992), (78, 333172), (84, 309374), (91, 285576), (104, 249879), (146, 177996), (156, 166586), (163, 159432), (168, 154687), (182, 142788), (219, 118664), (273, 95192), (292, 88998), (312, 83293), (326, 79716), (364, 71394), (438, 59332), (489, 53144), (511, 50856), (546, 47596), (584, 44499), (652, 39858), (728, 35697), (876, 29666), (949, 27384), (978, 26572), (1022, 25428), (1092, 23798), (1141, 22776), (1304, 19929), (1533, 16952), (1752, 14833), (1898, 13692), (1956, 13286), (2044, 12714), (2119, 12264), (2184, 11899), (2282, 11388), (2847, 9128), (3066, 8476), (3423, 7592), (3796, 6846), (3912, 6643), (4088, 6357), (4238, 6132), (4564, 5694)]