129212804

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{28663}}^1$

素因数の和:28704

約数の個数: 36

約数和(自身を含む): 274486464

約数和(自身を除く): 145273660

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 28663, 57326, 114652, 200641, 401282, 659249, 802564, 1318498, 1404487, 2636996, 2808974, 4614743, 5617948, 9229486, 18458972, 32303201, 64606402, 129212804]

約数ペア:

[(1, 129212804), (2, 64606402), (4, 32303201), (7, 18458972), (14, 9229486), (23, 5617948), (28, 4614743), (46, 2808974), (49, 2636996), (92, 1404487), (98, 1318498), (161, 802564), (196, 659249), (322, 401282), (644, 200641), (1127, 114652), (2254, 57326), (4508, 28663)]