206421964

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{8663}}^1$

素因数の和:8734

約数の個数: 48

約数和(自身を含む): 442487808

約数和(自身を除く): 236065844

約数列:

[1, 2, 4, 7, 14, 23, 28, 37, 46, 74, 92, 148, 161, 259, 322, 518, 644, 851, 1036, 1702, 3404, 5957, 8663, 11914, 17326, 23828, 34652, 60641, 121282, 199249, 242564, 320531, 398498, 641062, 796996, 1282124, 1394743, 2243717, 2789486, 4487434, 5578972, 7372213, 8974868, 14744426, 29488852, 51605491, 103210982, 206421964]

約数ペア:

[(1, 206421964), (2, 103210982), (4, 51605491), (7, 29488852), (14, 14744426), (23, 8974868), (28, 7372213), (37, 5578972), (46, 4487434), (74, 2789486), (92, 2243717), (148, 1394743), (161, 1282124), (259, 796996), (322, 641062), (518, 398498), (644, 320531), (851, 242564), (1036, 199249), (1702, 121282), (3404, 60641), (5957, 34652), (8663, 23828), (11914, 17326)]