66721988944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{252383}}^1$

素因数の和:252476

約数の個数: 80

約数和(自身を含む): 147214577664

約数和(自身を除く): 80492588720

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 41, 52, 62, 82, 104, 124, 164, 208, 248, 328, 403, 496, 533, 656, 806, 1066, 1271, 1612, 2132, 2542, 3224, 4264, 5084, 6448, 8528, 10168, 16523, 20336, 33046, 66092, 132184, 252383, 264368, 504766, 1009532, 2019064, 3280979, 4038128, 6561958, 7823873, 10347703, 13123916, 15647746, 20695406, 26247832, 31295492, 41390812, 52495664, 62590984, 82781624, 101710349, 125181968, 134520139, 165563248, 203420698, 269040278, 320778793, 406841396, 538080556, 641557586, 813682792, 1076161112, 1283115172, 1627365584, 2152322224, 2566230344, 4170124309, 5132460688, 8340248618, 16680497236, 33360994472, 66721988944]

約数ペア:

[(1, 66721988944), (2, 33360994472), (4, 16680497236), (8, 8340248618), (13, 5132460688), (16, 4170124309), (26, 2566230344), (31, 2152322224), (41, 1627365584), (52, 1283115172), (62, 1076161112), (82, 813682792), (104, 641557586), (124, 538080556), (164, 406841396), (208, 320778793), (248, 269040278), (328, 203420698), (403, 165563248), (496, 134520139), (533, 125181968), (656, 101710349), (806, 82781624), (1066, 62590984), (1271, 52495664), (1612, 41390812), (2132, 31295492), (2542, 26247832), (3224, 20695406), (4264, 15647746), (5084, 13123916), (6448, 10347703), (8528, 7823873), (10168, 6561958), (16523, 4038128), (20336, 3280979), (33046, 2019064), (66092, 1009532), (132184, 504766), (252383, 264368)]