28376348

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 70371840

約数和(自身を除く): 41995492

約数列:

[1, 2, 4, 7, 11, 13, 14, 19, 22, 26, 28, 38, 44, 52, 76, 77, 91, 133, 143, 154, 182, 209, 247, 266, 286, 308, 364, 373, 418, 494, 532, 572, 746, 836, 988, 1001, 1463, 1492, 1729, 2002, 2611, 2717, 2926, 3458, 4004, 4103, 4849, 5222, 5434, 5852, 6916, 7087, 8206, 9698, 10444, 10868, 14174, 16412, 19019, 19396, 28348, 28721, 33943, 38038, 49609, 53339, 57442, 67886, 76076, 77957, 92131, 99218, 106678, 114884, 135772, 155914, 184262, 198436, 213356, 311828, 368524, 373373, 545699, 644917, 746746, 1013441, 1091398, 1289834, 1493492, 2026882, 2182796, 2579668, 4053764, 7094087, 14188174, 28376348]

約数ペア:

[(1, 28376348), (2, 14188174), (4, 7094087), (7, 4053764), (11, 2579668), (13, 2182796), (14, 2026882), (19, 1493492), (22, 1289834), (26, 1091398), (28, 1013441), (38, 746746), (44, 644917), (52, 545699), (76, 373373), (77, 368524), (91, 311828), (133, 213356), (143, 198436), (154, 184262), (182, 155914), (209, 135772), (247, 114884), (266, 106678), (286, 99218), (308, 92131), (364, 77957), (373, 76076), (418, 67886), (494, 57442), (532, 53339), (572, 49609), (746, 38038), (836, 33943), (988, 28721), (1001, 28348), (1463, 19396), (1492, 19019), (1729, 16412), (2002, 14174), (2611, 10868), (2717, 10444), (2926, 9698), (3458, 8206), (4004, 7087), (4103, 6916), (4849, 5852), (5222, 5434)]