28814422

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 57576960

約数和(自身を除く): 28762538

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 67, 91, 119, 134, 139, 182, 221, 238, 278, 442, 469, 871, 938, 973, 1139, 1547, 1742, 1807, 1946, 2278, 2363, 3094, 3614, 4726, 6097, 7973, 9313, 12194, 12649, 14807, 15946, 16541, 18626, 25298, 29614, 30719, 33082, 61438, 65191, 103649, 121069, 130382, 158321, 207298, 215033, 242138, 316642, 430066, 847483, 1108247, 1694966, 2058173, 2216494, 4116346, 14407211, 28814422]

約数ペア:

[(1, 28814422), (2, 14407211), (7, 4116346), (13, 2216494), (14, 2058173), (17, 1694966), (26, 1108247), (34, 847483), (67, 430066), (91, 316642), (119, 242138), (134, 215033), (139, 207298), (182, 158321), (221, 130382), (238, 121069), (278, 103649), (442, 65191), (469, 61438), (871, 33082), (938, 30719), (973, 29614), (1139, 25298), (1547, 18626), (1742, 16541), (1807, 15946), (1946, 14807), (2278, 12649), (2363, 12194), (3094, 9313), (3614, 7973), (4726, 6097)]