78821388

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 205405200

約数和(自身を除く): 126583812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 109, 159, 212, 218, 318, 327, 379, 436, 477, 636, 654, 758, 954, 981, 1137, 1308, 1516, 1908, 1962, 2274, 3411, 3924, 4548, 5777, 6822, 11554, 13644, 17331, 20087, 23108, 34662, 40174, 41311, 51993, 60261, 69324, 80348, 82622, 103986, 120522, 123933, 165244, 180783, 207972, 241044, 247866, 361566, 371799, 495732, 723132, 743598, 1487196, 2189483, 4378966, 6568449, 8757932, 13136898, 19705347, 26273796, 39410694, 78821388]

約数ペア:

[(1, 78821388), (2, 39410694), (3, 26273796), (4, 19705347), (6, 13136898), (9, 8757932), (12, 6568449), (18, 4378966), (36, 2189483), (53, 1487196), (106, 743598), (109, 723132), (159, 495732), (212, 371799), (218, 361566), (318, 247866), (327, 241044), (379, 207972), (436, 180783), (477, 165244), (636, 123933), (654, 120522), (758, 103986), (954, 82622), (981, 80348), (1137, 69324), (1308, 60261), (1516, 51993), (1908, 41311), (1962, 40174), (2274, 34662), (3411, 23108), (3924, 20087), (4548, 17331), (5777, 13644), (6822, 11554)]