219620984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 461220480

約数和(自身を除く): 241599496

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 163, 244, 251, 326, 488, 502, 652, 671, 1004, 1304, 1342, 1793, 2008, 2684, 2761, 3586, 5368, 5522, 7172, 9943, 11044, 14344, 15311, 19886, 22088, 30622, 39772, 40913, 61244, 79544, 81826, 109373, 122488, 163652, 168421, 218746, 327304, 336842, 437492, 450043, 673684, 874984, 900086, 1347368, 1800172, 2495693, 3600344, 4991386, 9982772, 19965544, 27452623, 54905246, 109810492, 219620984]

約数ペア:

[(1, 219620984), (2, 109810492), (4, 54905246), (8, 27452623), (11, 19965544), (22, 9982772), (44, 4991386), (61, 3600344), (88, 2495693), (122, 1800172), (163, 1347368), (244, 900086), (251, 874984), (326, 673684), (488, 450043), (502, 437492), (652, 336842), (671, 327304), (1004, 218746), (1304, 168421), (1342, 163652), (1793, 122488), (2008, 109373), (2684, 81826), (2761, 79544), (3586, 61244), (5368, 40913), (5522, 39772), (7172, 30622), (9943, 22088), (11044, 19886), (14344, 15311)]