128839722

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{809}}^1$

素因数の和:971

約数の個数: 64

約数和(自身を含む): 298598400

約数和(自身を除く): 169758678

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 127, 209, 254, 381, 418, 627, 762, 809, 1254, 1397, 1618, 2413, 2427, 2794, 4191, 4826, 4854, 7239, 8382, 8899, 14478, 15371, 17798, 26543, 26697, 30742, 46113, 53086, 53394, 79629, 92226, 102743, 159258, 169081, 205486, 308229, 338162, 507243, 616458, 1014486, 1130173, 1952117, 2260346, 3390519, 3904234, 5856351, 6781038, 11712702, 21473287, 42946574, 64419861, 128839722]

約数ペア:

[(1, 128839722), (2, 64419861), (3, 42946574), (6, 21473287), (11, 11712702), (19, 6781038), (22, 5856351), (33, 3904234), (38, 3390519), (57, 2260346), (66, 1952117), (114, 1130173), (127, 1014486), (209, 616458), (254, 507243), (381, 338162), (418, 308229), (627, 205486), (762, 169081), (809, 159258), (1254, 102743), (1397, 92226), (1618, 79629), (2413, 53394), (2427, 53086), (2794, 46113), (4191, 30742), (4826, 26697), (4854, 26543), (7239, 17798), (8382, 15371), (8899, 14478)]