1256620778

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:316

約数の個数: 96

約数和(自身を含む): 2381042304

約数和(自身を除く): 1124421526

約数列:

[1, 2, 7, 14, 23, 46, 49, 53, 67, 98, 106, 134, 157, 161, 314, 322, 371, 469, 742, 938, 1099, 1127, 1219, 1541, 2198, 2254, 2438, 2597, 3082, 3283, 3551, 3611, 5194, 6566, 7102, 7222, 7693, 8321, 8533, 10519, 10787, 15386, 16642, 17066, 21038, 21574, 24857, 25277, 49714, 50554, 58247, 59731, 73633, 75509, 81673, 116494, 119462, 147266, 151018, 163346, 173999, 176939, 191383, 241937, 347998, 353878, 382766, 407729, 483874, 515431, 557507, 571711, 815458, 1030862, 1115014, 1143422, 1339681, 1693559, 2679362, 3387118, 3902549, 4001977, 7805098, 8003954, 9377767, 11854913, 12822661, 18755534, 23709826, 25645322, 27317843, 54635686, 89758627, 179517254, 628310389, 1256620778]

約数ペア:

[(1, 1256620778), (2, 628310389), (7, 179517254), (14, 89758627), (23, 54635686), (46, 27317843), (49, 25645322), (53, 23709826), (67, 18755534), (98, 12822661), (106, 11854913), (134, 9377767), (157, 8003954), (161, 7805098), (314, 4001977), (322, 3902549), (371, 3387118), (469, 2679362), (742, 1693559), (938, 1339681), (1099, 1143422), (1127, 1115014), (1219, 1030862), (1541, 815458), (2198, 571711), (2254, 557507), (2438, 515431), (2597, 483874), (3082, 407729), (3283, 382766), (3551, 353878), (3611, 347998), (5194, 241937), (6566, 191383), (7102, 176939), (7222, 173999), (7693, 163346), (8321, 151018), (8533, 147266), (10519, 119462), (10787, 116494), (15386, 81673), (16642, 75509), (17066, 73633), (21038, 59731), (21574, 58247), (24857, 50554), (25277, 49714)]