258821426175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{821851}}^1$

素因数の和:821913

約数の個数: 96

約数和(自身を含む): 513624625920

約数和(自身を除く): 254803199745

約数列:

[1, 3, 5, 13, 15, 17, 19, 25, 39, 51, 57, 65, 75, 85, 95, 195, 221, 247, 255, 285, 323, 325, 425, 475, 663, 741, 969, 975, 1105, 1235, 1275, 1425, 1615, 3315, 3705, 4199, 4845, 5525, 6175, 8075, 12597, 16575, 18525, 20995, 24225, 62985, 104975, 314925, 821851, 2465553, 4109255, 10684063, 12327765, 13971467, 15615169, 20546275, 32052189, 41914401, 46845507, 53420315, 61638825, 69857335, 78075845, 160260945, 181629071, 202997197, 209572005, 234227535, 265457873, 267101575, 349286675, 390379225, 544887213, 608991591, 796373619, 801304725, 908145355, 1014985985, 1047860025, 1171137675, 1327289365, 2724436065, 3044957955, 3450952349, 3981868095, 4540726775, 5074929925, 6636446825, 10352857047, 13622180325, 15224789775, 17254761745, 19909340475, 51764285235, 86273808725, 258821426175]

約数ペア:

[(1, 258821426175), (3, 86273808725), (5, 51764285235), (13, 19909340475), (15, 17254761745), (17, 15224789775), (19, 13622180325), (25, 10352857047), (39, 6636446825), (51, 5074929925), (57, 4540726775), (65, 3981868095), (75, 3450952349), (85, 3044957955), (95, 2724436065), (195, 1327289365), (221, 1171137675), (247, 1047860025), (255, 1014985985), (285, 908145355), (323, 801304725), (325, 796373619), (425, 608991591), (475, 544887213), (663, 390379225), (741, 349286675), (969, 267101575), (975, 265457873), (1105, 234227535), (1235, 209572005), (1275, 202997197), (1425, 181629071), (1615, 160260945), (3315, 78075845), (3705, 69857335), (4199, 61638825), (4845, 53420315), (5525, 46845507), (6175, 41914401), (8075, 32052189), (12597, 20546275), (16575, 15615169), (18525, 13971467), (20995, 12327765), (24225, 10684063), (62985, 4109255), (104975, 2465553), (314925, 821851)]