28481388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 75536832

約数和(自身を除く): 47055444

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 61, 73, 78, 82, 122, 123, 146, 156, 164, 183, 219, 244, 246, 292, 366, 438, 492, 533, 732, 793, 876, 949, 1066, 1586, 1599, 1898, 2132, 2379, 2501, 2847, 2993, 3172, 3198, 3796, 4453, 4758, 5002, 5694, 5986, 6396, 7503, 8906, 8979, 9516, 10004, 11388, 11972, 13359, 15006, 17812, 17958, 26718, 30012, 32513, 35916, 38909, 53436, 57889, 65026, 77818, 97539, 115778, 116727, 130052, 155636, 173667, 182573, 195078, 231556, 233454, 347334, 365146, 390156, 466908, 547719, 694668, 730292, 1095438, 2190876, 2373449, 4746898, 7120347, 9493796, 14240694, 28481388]

約数ペア:

[(1, 28481388), (2, 14240694), (3, 9493796), (4, 7120347), (6, 4746898), (12, 2373449), (13, 2190876), (26, 1095438), (39, 730292), (41, 694668), (52, 547719), (61, 466908), (73, 390156), (78, 365146), (82, 347334), (122, 233454), (123, 231556), (146, 195078), (156, 182573), (164, 173667), (183, 155636), (219, 130052), (244, 116727), (246, 115778), (292, 97539), (366, 77818), (438, 65026), (492, 57889), (533, 53436), (732, 38909), (793, 35916), (876, 32513), (949, 30012), (1066, 26718), (1586, 17958), (1599, 17812), (1898, 15006), (2132, 13359), (2379, 11972), (2501, 11388), (2847, 10004), (2993, 9516), (3172, 8979), (3198, 8906), (3796, 7503), (4453, 6396), (4758, 5986), (5002, 5694)]