221736692

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 408965760

約数和(自身を除く): 187229068

約数列:

[1, 2, 4, 41, 71, 82, 137, 139, 142, 164, 274, 278, 284, 548, 556, 2911, 5617, 5699, 5822, 9727, 9869, 11234, 11398, 11644, 19043, 19454, 19738, 22468, 22796, 38086, 38908, 39476, 76172, 398807, 404629, 780763, 797614, 809258, 1352053, 1561526, 1595228, 1618516, 2704106, 3123052, 5408212, 55434173, 110868346, 221736692]

約数ペア:

[(1, 221736692), (2, 110868346), (4, 55434173), (41, 5408212), (71, 3123052), (82, 2704106), (137, 1618516), (139, 1595228), (142, 1561526), (164, 1352053), (274, 809258), (278, 797614), (284, 780763), (548, 404629), (556, 398807), (2911, 76172), (5617, 39476), (5699, 38908), (5822, 38086), (9727, 22796), (9869, 22468), (11234, 19738), (11398, 19454), (11644, 19043)]