128776818

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 273901824

約数和(自身を除く): 145125006

約数列:

[1, 2, 3, 6, 41, 71, 73, 82, 101, 123, 142, 146, 202, 213, 219, 246, 303, 426, 438, 606, 2911, 2993, 4141, 5183, 5822, 5986, 7171, 7373, 8282, 8733, 8979, 10366, 12423, 14342, 14746, 15549, 17466, 17958, 21513, 22119, 24846, 31098, 43026, 44238, 212503, 294011, 302293, 425006, 523483, 588022, 604586, 637509, 882033, 906879, 1046966, 1275018, 1570449, 1764066, 1813758, 3140898, 21462803, 42925606, 64388409, 128776818]

約数ペア:

[(1, 128776818), (2, 64388409), (3, 42925606), (6, 21462803), (41, 3140898), (71, 1813758), (73, 1764066), (82, 1570449), (101, 1275018), (123, 1046966), (142, 906879), (146, 882033), (202, 637509), (213, 604586), (219, 588022), (246, 523483), (303, 425006), (426, 302293), (438, 294011), (606, 212503), (2911, 44238), (2993, 43026), (4141, 31098), (5183, 24846), (5822, 22119), (5986, 21513), (7171, 17958), (7373, 17466), (8282, 15549), (8733, 14746), (8979, 14342), (10366, 12423)]