161689788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20323}}^1$

素因数の和:20363

約数の個数: 72

約数和(自身を含む): 466069968

約数和(自身を除く): 304380180

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3978, 7956, 20323, 40646, 60969, 81292, 121938, 182907, 243876, 264199, 345491, 365814, 528398, 690982, 731628, 792597, 1036473, 1056796, 1381964, 1585194, 2072946, 2377791, 3109419, 3170388, 4145892, 4491383, 4755582, 6218838, 8982766, 9511164, 12437676, 13474149, 17965532, 26948298, 40422447, 53896596, 80844894, 161689788]

約数ペア:

[(1, 161689788), (2, 80844894), (3, 53896596), (4, 40422447), (6, 26948298), (9, 17965532), (12, 13474149), (13, 12437676), (17, 9511164), (18, 8982766), (26, 6218838), (34, 4755582), (36, 4491383), (39, 4145892), (51, 3170388), (52, 3109419), (68, 2377791), (78, 2072946), (102, 1585194), (117, 1381964), (153, 1056796), (156, 1036473), (204, 792597), (221, 731628), (234, 690982), (306, 528398), (442, 365814), (468, 345491), (612, 264199), (663, 243876), (884, 182907), (1326, 121938), (1989, 81292), (2652, 60969), (3978, 40646), (7956, 20323)]