217225372

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^2$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 484328544

約数和(自身を除く): 267103172

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 91, 127, 148, 182, 254, 259, 364, 481, 508, 518, 889, 962, 1036, 1651, 1778, 1924, 3302, 3367, 3556, 4699, 6604, 6734, 9398, 11557, 13468, 16129, 18796, 23114, 32258, 32893, 46228, 61087, 64516, 65786, 112903, 122174, 131572, 209677, 225806, 244348, 419354, 427609, 451612, 596773, 838708, 855218, 1193546, 1467739, 1710436, 2387092, 2935478, 4177411, 5870956, 7758049, 8354822, 15516098, 16709644, 31032196, 54306343, 108612686, 217225372]

約数ペア:

[(1, 217225372), (2, 108612686), (4, 54306343), (7, 31032196), (13, 16709644), (14, 15516098), (26, 8354822), (28, 7758049), (37, 5870956), (52, 4177411), (74, 2935478), (91, 2387092), (127, 1710436), (148, 1467739), (182, 1193546), (254, 855218), (259, 838708), (364, 596773), (481, 451612), (508, 427609), (518, 419354), (889, 244348), (962, 225806), (1036, 209677), (1651, 131572), (1778, 122174), (1924, 112903), (3302, 65786), (3367, 64516), (3556, 61087), (4699, 46228), (6604, 32893), (6734, 32258), (9398, 23114), (11557, 18796), (13468, 16129)]