78821988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3623}}^1$

素因数の和:3681

約数の個数: 72

約数和(自身を含む): 219788352

約数和(自身を除く): 140966364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 49, 74, 84, 98, 111, 147, 148, 196, 222, 259, 294, 444, 518, 588, 777, 1036, 1554, 1813, 3108, 3623, 3626, 5439, 7246, 7252, 10869, 10878, 14492, 21738, 21756, 25361, 43476, 50722, 76083, 101444, 134051, 152166, 177527, 268102, 304332, 355054, 402153, 532581, 536204, 710108, 804306, 938357, 1065162, 1608612, 1876714, 2130324, 2815071, 3753428, 5630142, 6568499, 11260284, 13136998, 19705497, 26273996, 39410994, 78821988]

約数ペア:

[(1, 78821988), (2, 39410994), (3, 26273996), (4, 19705497), (6, 13136998), (7, 11260284), (12, 6568499), (14, 5630142), (21, 3753428), (28, 2815071), (37, 2130324), (42, 1876714), (49, 1608612), (74, 1065162), (84, 938357), (98, 804306), (111, 710108), (147, 536204), (148, 532581), (196, 402153), (222, 355054), (259, 304332), (294, 268102), (444, 177527), (518, 152166), (588, 134051), (777, 101444), (1036, 76083), (1554, 50722), (1813, 43476), (3108, 25361), (3623, 21756), (3626, 21738), (5439, 14492), (7246, 10878), (7252, 10869)]