201971428

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 375580800

約数和(自身を除く): 173609372

約数列:

[1, 2, 4, 29, 58, 71, 116, 137, 142, 179, 274, 284, 358, 548, 716, 2059, 3973, 4118, 5191, 7946, 8236, 9727, 10382, 12709, 15892, 19454, 20764, 24523, 25418, 38908, 49046, 50836, 98092, 282083, 368561, 564166, 711167, 737122, 1128332, 1422334, 1474244, 1741133, 2844668, 3482266, 6964532, 50492857, 100985714, 201971428]

約数ペア:

[(1, 201971428), (2, 100985714), (4, 50492857), (29, 6964532), (58, 3482266), (71, 2844668), (116, 1741133), (137, 1474244), (142, 1422334), (179, 1128332), (274, 737122), (284, 711167), (358, 564166), (548, 368561), (716, 282083), (2059, 98092), (3973, 50836), (4118, 49046), (5191, 38908), (7946, 25418), (8236, 24523), (9727, 20764), (10382, 19454), (12709, 15892)]