164889256

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{457}}^1$

素因数の和:866

約数の個数: 64

約数和(自身を含む): 375926400

約数和(自身を除く): 211037144

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 379, 457, 476, 758, 914, 952, 1516, 1828, 2653, 3032, 3199, 3656, 5306, 6398, 6443, 7769, 10612, 12796, 12886, 15538, 21224, 25592, 25772, 31076, 45101, 51544, 54383, 62152, 90202, 108766, 173203, 180404, 217532, 346406, 360808, 435064, 692812, 1212421, 1385624, 2424842, 2944451, 4849684, 5888902, 9699368, 11777804, 20611157, 23555608, 41222314, 82444628, 164889256]

約数ペア:

[(1, 164889256), (2, 82444628), (4, 41222314), (7, 23555608), (8, 20611157), (14, 11777804), (17, 9699368), (28, 5888902), (34, 4849684), (56, 2944451), (68, 2424842), (119, 1385624), (136, 1212421), (238, 692812), (379, 435064), (457, 360808), (476, 346406), (758, 217532), (914, 180404), (952, 173203), (1516, 108766), (1828, 90202), (2653, 62152), (3032, 54383), (3199, 51544), (3656, 45101), (5306, 31076), (6398, 25772), (6443, 25592), (7769, 21224), (10612, 15538), (12796, 12886)]