81900388031

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1$

素因数の和:597

約数の個数: 96

約数和(自身を含む): 108771102720

約数和(自身を除く): 26870714689

約数列:

[1, 7, 11, 31, 77, 89, 101, 121, 217, 341, 347, 623, 707, 847, 979, 1111, 2387, 2429, 2759, 3131, 3751, 3817, 6853, 7777, 8989, 10757, 10769, 12221, 19313, 21917, 26257, 26719, 30349, 30883, 34441, 35047, 41987, 62923, 75299, 75383, 85547, 98879, 118327, 212443, 216181, 241087, 245329, 278659, 293909, 333839, 339713, 378851, 385517, 692153, 828289, 957373, 1086457, 1087669, 1301597, 1950613, 2336873, 2377991, 2651957, 2698619, 3065249, 3119183, 3736843, 4240687, 6701611, 7605199, 7613683, 9111179, 10531103, 11951027, 21456743, 21834281, 26157901, 29684809, 33717739, 34311013, 73717721, 83657189, 96694673, 115842133, 131461297, 236024173, 240177091, 377421143, 676862711, 810894931, 920229079, 1063641403, 2641948001, 7445489821, 11700055433, 81900388031]

約数ペア:

[(1, 81900388031), (7, 11700055433), (11, 7445489821), (31, 2641948001), (77, 1063641403), (89, 920229079), (101, 810894931), (121, 676862711), (217, 377421143), (341, 240177091), (347, 236024173), (623, 131461297), (707, 115842133), (847, 96694673), (979, 83657189), (1111, 73717721), (2387, 34311013), (2429, 33717739), (2759, 29684809), (3131, 26157901), (3751, 21834281), (3817, 21456743), (6853, 11951027), (7777, 10531103), (8989, 9111179), (10757, 7613683), (10769, 7605199), (12221, 6701611), (19313, 4240687), (21917, 3736843), (26257, 3119183), (26719, 3065249), (30349, 2698619), (30883, 2651957), (34441, 2377991), (35047, 2336873), (41987, 1950613), (62923, 1301597), (75299, 1087669), (75383, 1086457), (85547, 957373), (98879, 828289), (118327, 692153), (212443, 385517), (216181, 378851), (241087, 339713), (245329, 333839), (278659, 293909)]